Windows error 0x8000FFFF, -2147418113

VS 2017 RC generating an 0x8000ffff error when trying to debug xUnit tests

I'm trying to debug my .NET Core xUnit tests in VS 2017 RC. I run my tests via the Test Explorer window. While right-clicking a test and selecting Run Selected Tests works fine, selecting Debug Selected Tests does not: [https://i.stack.imgur.com/EkGg1.png] I'm at a loss at how to get past this. [...] read more

Change the options array of a select list

Is there a way to change the options array of an html select list using javascript or mootools? I need to replace the entire options set with a new one. In my ajax response I receive an array filled in with with the new HTML options, so I try to [...] read more

How do I add a reference to a Shared Code project (.shproj) from another project

When I created a new universal app project in Visual Studio it created a shared project that let me share code between the Windows Phone 8.1 and Windows 8.1 projects that were created. Now I have other projects that I would also like to use that shared code. However, I [...] read more

ActiveX control without a form

We are required to use a 3rd party ActiveX control. The only issue is, the layer in our software is a business layer and has no access to a window or form. It also runs on separate threads (and should work from any thread) that are not STA. Rather than [...] read more

UWP Binding in Style Setter not working

I have problem with creating xaml control. I'm writing new project in VS 2015 in universal app. I want create grid. In this grid I want to have a button. In model I specifi the column (Level) and Row. this is my code: <ItemsControl Grid.Row="1" ItemsSource="{Binding Path=TechnologyList}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Grid> [...] read more

Visual Studio 2017: A fatal error has occurred and debugging needs to be terminated

When executing unit tests in debugging mode, I get the following error message: A fatal error has occurred and debugging needs to be terminated. For more details please see the Microsoft Help and Support web site. HRESULT=0x8000ffff. ErrorCode=0x0. read more

ANCM InProcess startup failed because of invalid runtimeconfig.json

The application is deployed as an (32-bit, .NET Core 2.2) App Service on Azure. It works fine when using the standard AspNetCoreModule instead of the newer AspNetCoreModuleV2 that supports the InProcess hostingmodel. When using the new InProcess hostingmodel, the actual error is > Could not find inprocess request handler. Captured [...] read more

Can't debug VSIX project: "Expected export ITextEditorFactoryService but found 0"

I am working in a couple of VSIX projects and suddenly, for some reason, I can't properly debug them. When I run the project, the experimental VS instance opens without issues, but as soon as I load a solution the problems begin. To start with, if the solution I'm loading [...] read more

Catastrophic failure when Impersonate other user

I'm use Enterprise library Validation block intergrated with WCF. It reports System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) when I impersonate some other user with WIN32 API LogonUser and WindowsIdentity.Impersonate. It seems there is something wrong when to get security evidence on loading configuration. If I remove the [...] read more

HTTP Error 500.31 - Failed to load ASP.NET Core runtime

I'm having issues deploying .NET Core applications to IIS on a Windows 10 machine. When I deploy to IIS and navigate to the site I recieve the message: "HTTP Error 500.31 - Failed to load ASP.NET Core runtime Common solutions to this issue: The specified version of Microsoft.NetCore.App or Microsoft.AspNetCore.App [...] read more

Catastrophic failure (Exception from HRESULT: 0x8000FFFF) creating a playlist with axwindowsMediaPlayer

I am using the axwindowsMediaPlayer object to show videos in a winform. In particular I want to play a playlist. Everything works fine on my pc (win7) and used to work fine also in another pc with winXP (the pc of the final user). But something happened a couple of [...] read more

Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) in visual studio

Am a newbie to windows 10 uwp having migrated from wpf applications. I know this question has been asked before but none has been able to solve my problem. Recently, I attempted recreating the Hamburger menu for a uwp application I am creating by following the instructions on a GitHub [...] read more

How to pass values to this method?

I have an dll in that class the following method [MethodImpl(MethodImplOptions.PreserveSig | MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)] bool SetIPAddress([MarshalAs(UnmanagedType.BStr)] ref string lpszIPAddress, int dwPortNumber, int dwPassWord); How do I pass values to this method: public FP_CLOCKLib._DFP_CLOCK ff = new FP_CLOCKLib.FP_CLOCK(); reffered to create instance like "Catastrophic failure" when accessing an OCX [...] read more

The application encountered an error while attempting to change the state of 'WindowsServer2008'

I've had a Hyper-V running Windows Server 2008 for about two years. Today I did a Save on the VM in the Hyper-V Manager and then restarted my computer. When computer restarted I went to Start this VM and got the following error: [Window Title] Virtual Machine Connection [Main Instruction] [...] read more

How to get CosmosDB Emulator to automatically start upon machine startup / reboot

We are trying to use Azure Storage Emulator and Azure CosmosDB Emulator for our local development as well as unit testing as part of CI / CD builds. Here is the main link with details on these emulators: https://docs.microsoft.com/en-us/azure/cosmos-db/local-emulator As part of this effort, we need some way to start [...] read more

WindowsIdentity.Impersonate throws ''Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))' after April 2018 (1803) update

Our installer app uses the following code to verify service account permissions: try { using (svcIdentity.Impersonate()) { using (SqlConnection conn = new SqlConnection(builder.ConnectionString)) // <<< { conn.Open(); ... Omitted for brevity: * The svcIdentity WindowsIdentity is obtained by using the Win32 LSA LogonUser function in advapi32.dll and LOGON32_LOGON_SERVICE. * builder [...] read more

Template 10: Hamburger menu keyboard shortcuts

I am new in uwp app development. I made simple application based on Template 10 Hamburger template.I would like access hamburger menu item by keyboard shortcut. How is it possible? I try use AccessKey, but HamburgerButtonInfo don't have this property, so I try: <Controls:HamburgerButtonInfo x:Name="SettingsButton" PageParameter="0" PageType="views:SettingsPage"> <StackPanel Orientation="Horizontal" AccessKey="D" [...] read more

C# COM Server to C# COM Client using CoCreateInstance

I need to create a C# COM server, and a C# COM Client, and communicate between the two using CoCreateInstance. This is so that the client can be 64 bit, and the server 32 bit, using the 'DllSurrogate' method described in Hosting a .NET DLL as an Out-Of-Process COM Server [...] read more

Fixing Windows Update being unable to install updates while sfc and dism are unusable

At some point in the lifetime of my PC Desktop system I got two bluescreens in a row while playing video games. Following that I managed to stop the system from crashing by rewireing all hardware but for some reason any Windows updates that affected the System like the annual [...] read more

Windows 7 Explorer.exe incompatibility

On Windows 7 64-bit, the user is getting the following message when Windows logs in: The program or feature \??\C:\Windows\Explorer.exe cannot start or run due to incompatibility with 64-bit versions of Windows. Please contact the software vendor to ask if a 64-bit Windows compatible version is available Clicking OK give [...] read more

Mozy fails along with this error

Any idea how to fix this? MozyHome backup is failing at the same time with a FilesystemError2. Windows 7 64-bit. Thanks! Log Name: Application Source: VSS Date: 12/18/2009 12:51:12 AM Event ID: 8194 Task Category: None Level: Error Keywords: Classic User: N/A Description: Volume Shadow Copy Service error: Unexpected error [...] read more

Using IDebugControl::Disassemble to view the instructions of a subroutine

So I'm attempting to use the windows API (DbgEng.h /.lib) 'Disassemble' function to view the instructions of a certain function (which i know is exported) in a module. However....It's returning an unexpected error. IDebugClient* clt; IDebugControl* ctrl; void InitializeInterfaces(void) { HRESULT status; if ((status = DebugCreate(__uuidof(IDebugClient), (void**)&clt)) != S_OK) { [...] read more

Accessing CommandBarButton.Picture property the late bound way

I try to read the information of Microsoft Access (Office) CommandBars contained in an *.mdb. I could use Microsoft.Office.Interop.Access for this; however, these PIA assemblies are tied to specific Office versions. Therefore, to be version independent, I do it the late-bound way through C#'s dynamic type. I.e., I have no [...] read more

How to get Windows 10 accent color?

I'm looking for a way to get the color that windows 10 chooses automatically depending on the background image as shown below. enter image description here [https://i.stack.imgur.com/ROXHf.png] I tried searching, and found var color = (Color)this.Resources["SystemAccentColor"]; and var color = (Color)Application.Current.Resources["SystemAccentColor"]; but both thew an exception System.Exception HResult=0x8000FFFF Message=Catastrophic failure [...] read more

How to create Windows store package in xamarin.UWP Application?

I am creating an application target three platforms 1) Android 2) iOS 3) UWP. It works fine in all platforms in debug mode but when I try to create an application package for UWP(Store file) it gives me different error I listed below. > Error: NUTC1056:Internal Compiler Error: 0x8000ffff. Error [...] read more

Faster tetrahedron-tetrahedron intersection

For one project of mine I require reliable detection of intersection between two tetrahedrons in 3D space. I do not need the points/lines/faces just to know if intersection is present or not. Touching is considered intersection too but common triangle face is not considered as intersection. After quite a struggle [...] read more

How to retrieve Parent Visual Size within XamlCompositionBrushBase?

I'm creating a class inheriting from XamlCompositionBrushBase and want to know the render size of the visual the brush is attached to when it's hooked up in OnConnected. I need this info to create a surface in my composition that's the size of my visual in order to not only [...] read more

NTbackup doesn't complete, leaves a blank log file, VSS errors in application log

I have a Windows 2003 server that is running a semi-custom backup task. The scheduled task calls NTbackup with a few switches depending on whether it is a full or incremental backup. Most of the time, the NTbackup completes fine, and the wrapper then appends the NTbackup log into its [...] read more

mklink directory junctions are inaccessible on Windows 10

I created a junction with the mklink command on Windows 7 and it worked great for the past 2 years. (EDIT: I have now verified that this exact scenario/problem still exists on a brand new laptop with Windows 10). I made a folder from my SSD drive (F:) available to [...] read more

Only Icons Missing from desktop

I opened the PC in the morning, and this is what I got: Desktop [https://i.stack.imgur.com/5sTv6.jpg] This PC [https://i.stack.imgur.com/bEqj9.png] Start Menu [https://i.stack.imgur.com/mL7dS.png] Control Panel-A [https://i.stack.imgur.com/1aDVk.png] Control Panel-B [https://i.stack.imgur.com/NkM7L.png] As is visible the icons of the UWA apps were no affected and the start menu also is unaffected. When Control Panel is [...] read more

IEBHO.DLL - why does Windows 7 run without this DLL?

I am trying to repair daughter's Dell XPS laptop - Windows 7 home Premium 64-bit. About a week ago it started popping up a message: LogonUI - Bad Image (in title bar) C:\PROGRA~2\WI3C8A~1\Datamngr\X64\IEBHO.DLL is either not designed to run on Windows or contains an error. The app mentioned in the [...] read more

Excel Error when using pandas and openpyxl: Repaired Part: /xl/worksheets/sheet1.xml part with XML error. HRESULT 0x8000ffff Line 1, column 0

I'm coming up with an error of opening up an excel file after writing to it. This is what I have so far: #locate source document Path = Path(r'C:\Users\username\Test\EXCEL_Test.xlsx') # open doc and go to active sheet wb = load_workbook(filename = Path) ws = wb.active #add drop down list to [...] read more

How to call CAPL general functions from Python 3.x?

ISSUE I'm trying to call CAPL general functions (in my case timeNowNS) but I don't know if it's possible. capl general functions [https://i.stack.imgur.com/sJSMp.jpg] WHAT I'M USING? I'm using Python 3.7 and Vector CANoe 11.0. The connection is done using the .NET CANoe API. This is how i've accesed the DLLs. [...] read more

Upgrade Wix Burn: Custom Bootstrapper Upgrade is not working

I am using wixtoolset installer for creating Custom UI (Burn UI) for my installer having 10-12 Msi's. I have created the bundle for the same and created the UI which calls the install action to install the bundle and uninstall to uninstall whole bundle and everything is working fine for [...] read more

I am getting (Test connection failed because of an error in initializing provider) Error: E_UNEXPECTED(0x8000FFFF). on oracle provider for OLE DB

I have an SSIS package that contains some data flows connected to an oracle database. I did not have the proper drivers to run the package so i tried to download oracle client alone at first but i faced multiple issues. So i have downloaded the full Oracle 11g environment [...] read more

VirtualBox IGuestSession::ProcessCreate returns 0x8000FFFF (E_UNEXPECTED)

So I'm trying to execute a process in the guest session from the host, but I keep getting a 0x8000FFFF (E_UNEXPECTED) HRESULT from it. Since I'm getting a COM error rather than VBOX_E_IPRT_ERROR it makes me think my SAFEARRAYs are the issue and not the actual parameters if that makes [...] read more

WMP crashes when trying to create a playlist

Im developing in C#, WinForms, a Windows desktop application where I use the windows media player component. I created a playlist (curPlaylist) and a WMP component called musica (in the designer, drag and dropping to the form). In my PC works perfectly (Windows 10) but when I want to run [...] read more

Building the release version of UWP project results in error

When I activate .NET Native tool chain in UWP project targeting Windows 10, version 1803, I get these errors: -------------------------------------------------------------------------------- Error Error: NUTC1056:Internal Compiler Error: 0x8000ffff. Error encountered while compiling method 'instance System.Void Premy.Chatovatko.Client.Views.CertificateSelection.InitializeComponent()'. Premy.Chatovatko.Client.UWP Error ILT0005: 'C:\Program Files (x86)\Microsoft SDKs\UWPNuGetPackages\runtime.win10-x86.microsoft.net.native.compiler\2.1.8\tools\x86\ilc\Tools\nutc_driver.exe @"C:\Chatovatko\Premy.Chatovatko\Premy.Chatovatko.Client\Premy.Chatovatko.Client.UWP\obj\x86\Release\ilc\intermediate\MDIL\Chatovatko.rsp"' returned exit code 1 Premy.Chatovatko.Client.UWP -------------------------------------------------------------------------------- The project [...] read more

Android Speech to Text Issue

i'm trying to test Cognitive-Speech-STT-Android Sample Project on my Android device after adding the client library dependency to Andoid Studio, creating a trial account and adding the Uri & primarykey weird behavior are causing the application to return this Log and no text result received: Screen Capture [https://i.stack.imgur.com/Ezz6c.jpg] Android Studio [...] read more

Automating Windows Firewall with

I have C# Application that uses PORT 777 for asynchronous communication and PORT 3306 for communication with My Sql Server. Problems arise when the ports is blocked by a firewall. I tried to create a program to add an exception in the firewall list of Windows 7. When i run [...] read more

Hyper-V - Unable to delete multiple Checkpoints

We have two Hyper-V servers running on Windows Server 2016. One is one main server, the other one is the replica server where the main one replicates to. We took down the replica server for maintenance and Hyper-V was unable to replicate to it and we think that due to [...] read more

Server Resource Management service (srmsvc) event id 8197 is logged every 10 seconds

I am running a Windows Server 2012 Storage Edition server as a file server and am getting Event ID 8197 logged in my Application event log every 10 seconds. The message from the error is: > RtlCreateSystemVolumeInformationFolder on volume > C:?\Volume{5c286810-f966-41c6-be33-4c511d7103cd} returned 0x5, 0x8000ffff, > Catastrophic failure I have looked [...] read more

Error when installing Server 2008 R2 SP1

I recently did an in place upgrade of my Server 2008 R2 Standard VM's to Server 2008 R2 Enterprise via Dism /online /Set-Edition:ServerEnterprise /ProductKey:xxxxx-xxxxx-xxxxx-xxxxx-xxxxx as referenced here: In-place upgrade from Windows Server Standard to Enterprise or Datacenter This went well except for now when I want to install SP1 I [...] read more

System Restore Error Windows 7

I am having a problem with System Restore on Windows 7 Home Premium 64-bit. I can make restore points easily, but if I try to go back to one, I get this: System Restore did not complete successfully. Your computer's system files and settings were not changed. Details: Access is [...] read more

Why can't my Debian VM on Hyper-V see the internet?

The VM works fine, but when I created it, I said "Set networking up later". Then, when I added an External Switch, connected to my host's Wifi adapter, and set it in the VM's networking settings, the VN would not start, and gave this error: [Window Title] Virtual Switch Manager [...] read more

Windows Store is not loading any page

I have Windows 10 v1511 (10.0.10586.0). early windows store was running well but after running the command WSRESET.EXE. Windows store is not loading any page I want to tell about two things. 1. I have diabled BITS Service and deleted qmgr.dll. 2. same case with Windows update service (wuaueng.dll) early [...] read more

Windows 10 in Azure VM - NET 3.5 installation error 0x8000FFFF

I just created a new Compute in Azure - choosing Windows 10 Enterprise (x64) image. For deployment I used Resource Manager mode, DS1 size, disk type Standard and left default for the rest of options. I needed .NET Framework 3.5 (as prerequisite for some 3rd party SW) so I went [...] read more

Virtualbox Failed to load VMMR0.r0 (VERR_LDR_MISMATCH_NATIVE)

Computer got hard rebooted with an active guest and ever since I cannot get VB to work. Reinstall, uninstall, scrounge every VB file I can find on the hd and delete, clean update to new version. To be clear all guests, even new ones after the old ones have been [...] read more

How to get available virtual memory regions for WinDBG preview TTD trace session?

I am writing dbgeng client and try to enumerate available virtual memory for time travel debugging session. Dbgeng API have IDebugDataSpaces2::QueryVirtual method, it's works great for live user-mode debugging sessions, but does not works for TTD trace session replay. When I try to call it, I recieve 0x8000ffff (E_UNEXPECTED) error. [...] read more

Error while reading dump file in DebugDiag Analysis

I have installed DebugDiag Tool to monitor high CPU usage at the windows server. https://www.microsoft.com/en-us/download/details.aspx?id=58210 I am getting following error while analysing dump files generated by DebugDiag Collection tool. -------------------------------------------------------------------------------- NO REPORT FILE WAS GENERATED An error occurred while generating the analysis report Exception: Type: COMException Message: Catastrophic failure (Exception [...] read more

Volume Shadow Copy (VSS) - Catastrophic failure

I have an issue with Volume Shadow Copies (VSS). This issue started a few days ago. I’ve tried MANY things from Google but cannot find a solution. What’s frustrating (and surprising) is that even after I restored the computer to a sector-by-sector image backup, to a time that this issue [...] read more

AppInstaller Failed Installation

I've been using the AppInstaller app to 'side load' my LOB UWP app through an IIS web page. This has been working quite well until mid-July. However, now the app will no longer auto-update, and a fresh install shows a super informative error of: > 'App installation failed with error [...] read more

Sidekiq job getting Selenium::WebDriver::Error::UnknownError: invalid argument: can't kill an exited process (but only when run async)

I have a Sidekiq job that uses Capybara, deployed on a Heroku dyno. I run into the following issue even with Sidekiq concurrency=1. When run asynchronously, the jobs sometimes return the following error: Selenium::WebDriver::Error::UnknownError: invalid argument: can't kill an exited process But never ever synchronously on Heroku 🤔 When I [...] read more

(Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) nuget restore failed

We run nuget restore on a Windows slave using Jenkins as build server. When the slave service runs as a user instead System account then the nuget restore may fail with Error parsing solution file at d:\jenkins\tools\ci-home\workspace\t_im-server_feature_os-jenkins_2\IM-Server.sln: Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) nuget restore failed We run the [...] read more

WiX Toolset Catastrophic failure running light.exe

When running light.exe on our build server we are now seeing the following error: > light.exe : error LGHT0001: Catastrophic failure (Exception from HRESULT: > 0x8000FFFF (E_UNEXPECTED)) [blah.wixproj] build 12-Mar-2019 16:07:28 [exec] > build 12-Mar-2019 16:07:28 [exec] > Exception Type: System.Runtime.InteropServices.COMException build 12-Mar-2019 > 16:07:28 [exec] build 12-Mar-2019 16:07:28 > [...] read more

How to fix InstallShield Wizard Error -5011:0x8000ffff?

I encountered this error message while installing Hunting Unlimited 2010 software. Error Screen: Error Screen [https://i.stack.imgur.com/C1sJT.png] The entire error message: Error Code: -5011 : 0x8000ffff Error Information: >Kernel\ObjectWrapper.cpp (498) >Kernel\IScriptWrapper.cpp (80) >Kernel\ObjectWrapper.cpp (197) >Kernel\IScriptWrapper.cpp (80) >SetupNew\setup.cpp (478) PAPP:Hunting Unlimited 2010 PVENDOR:Valusoft PGUID:9ED06229-1F1B-4AE2-970D-5F731E8C8C35 $14.0.0.162PAK @Windows Vista Service Pack 0 (9200) Non [...] read more

GeckoView Android Pixel 2 Errors

I integrated GeckoView version 70.0.20190712095934 nightly into a sample app. It works totally fine (-> website shows up) on my old Nexus 5 with Android 6. But if I run the same app on my Pixel 2, the page doesn't load at all. I already tried using the latest stable [...] read more

How do I setup VS 2017 with AspNetCoreModuleV2?

I'm trying to upgrade an existing app from 2.1 to 2.2. Along with that I'm trying to upgrade the AspNetCore hosting module for IIS to AspNetCoreModuleV2. Here is what my web.config looks like at the moment: <?xml version="1.0" encoding="utf-8"?> <configuration> <location path="." inheritInChildApplications="false"> <system.webServer> <handlers> <remove name="WebDAV" /> <add name="aspNetCore" [...] read more

UWP: Insufficient memory on release build

UWP app with RichEditBox has memory and other type issues on release configuration with code optimization enabled. On debug or relase with non optimized code it runs ok. Following code is inside a method running on the thread pool (await Task.Run(() => MyMethod(richEditTextDocument)); // Getting text for first time works [...] read more

Bot Framework Emulator: Unknown Host

I'm developing a simple Dispatch Bot, I only have a basic structure now to chose between QnA or LUIS models but when I test it in the Bot Framework Emulator, the AdapterWithErrorHandler catches and error and i get no response from LUIS neither QnA. Unknown Host error in the logger [...] read more

UWP - Swipe on ListView

I'm trying to develop an UWP application which will be running on a Raspberry PI with a 7" display. In the app I have a list of demands that I will update from a SQL Server database. The user needs to swipe and confirm the demands and change their status [...] read more

UWP fluent design in XamarinForms

I'm creating a XamarinFroms solution and i want to implement Fluent Design or pats of it in my UWP app. As you may know, Most of Fluent Design building blocks are ThemeResources. so i tried to do: if (Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.UI.Xaml.Media.AcrylicBrush")) { var brush = Windows.UI.Xaml.Application.Current.Resources["SystemControlAltHighAcrylicWindowBrush"] as AcrylicBrush; var tint = brush.TintColor; [...] read more

Error changing Windows Media Player component fullscreen property

I'm testing Windows Media player component in C#. At runtime my project receives the error : "System.Runtime.InteropServices.COMException: 'Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))'" when changing fullscreen property!!! The related code line: axWindowsMediaPlayer1.fullScreen = true; What's the reason??? I didn't find any useful matter on Google... read more

WebView.CapturePreviewToStreamAsync() fails, but only on HoloLens with Unity3D

Currently, we're trying to combine the use of Unity3D holograms and HTML rendering in one app. The idea works as follows: 1) start a XAML app whose main window contains a WebView component (using the XAML app template) 2) Switch to Holographic (DirectX) mode (essentially copy over the code from [...] read more

Find parent of paragraph UWP

I would like to find the parent of the paragraph with the name: "ParagraphOne" (hence the RichTextBlock which has the name: "RichTextOne") but the code generates an exception. Exception [https://i.stack.imgur.com/XYwiW.png] Xaml: <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> <Grid VerticalAlignment="Center" HorizontalAlignment="Center"> <StackPanel> <RichTextBlock x:Name="RichTextOne" Margin="30"> <Paragraph x:Name="ParagraphOne"> <Run Text="This is a Text"/> </Paragraph> </RichTextBlock> [...] read more

uwp xaml DataBinding to nested property inside an ObservableCollection

This is my first time building a UWP app and I'm new to c#/Windows in general. I am trying to use a Pivot in the UI. I want the pivot headers to be from an ObservableCollection of usb devices connected, which go by the class Device_Info. Each USB Device has [...] read more

Windows 2019 WSUS Error 0x8000ffff when pushing out Windows 10 Upgrades

I've had this error on 3 separate Windows 2019 servers I've tried to install Windows Server update Services (WSUS) on; It's worked fine on every Windows 2016 server I've configured, so I'm assuming I'm getting something wrong, or something's changed in 2019, but I've had no luck finding it: Configuring [...] read more

Windows Server 2008 R2 windows update stuck

i have a 2008 R2 Standard server (on VMware) that is stuck without being able to update. Behavior: Windows update fails on check for new updates error code 8000FFFF. When rebooting, server attempts to configure updates. Reboots to login screen, then reboots a second time. At that point it attempts [...] read more

Excel-automating .Net code has "Catastrophic failure" error from Interop on new server

I'm migrating from a Windows Server 2008 R2 box with Excel 2003, to a different box running Windows Server 2012 R2 with Excel 2013. Part of the migration is moving code that reads text files and spits out Excel files by running excel in the background. These are .Net 2.0 [...] read more

Domain Controller not updating from WSUS server

I have just inherited some existing issues in my new Sys Admin position, as i have never used WSUS before i thought i would ask you fine people for some input! All servers are 2008R2, 2 physical servers running Hyper-V and these run 8 Virtual machines, each physical has one [...] read more

Windows XP IIS 5.1 MetaBase corrupted somehow, reinstalling doesn't help

Somehow my MetaBase.bin is corrupted on my Windows XP machine. I've attempted to uninstall and reinstall IIS numerous times. I did see the Reinstalling IIS on WinXP machine post here which I made sure to follow exactly however after uninstalling IIS the Inetserv folder does not get completely removed it [...] read more

Windows 10 v10.0.18363.1016 - Cannot search using Win+S or using search in Explorer (top right bar) - Event Name: MoAppCrash

Cannot use Windows search anymore. I've checked and don't see any recent updates to my laptop. When clicking in the box in upper right corner of Windows Explorer my PC briefly locks up, and a crash event is triggered. Process Monitor will also show WerFault.exe running. Same thing if pushing [...] read more

When in window's 10 update error message refering to 0x800ffff appears?

When updating the tablet for window's 10 version 2004 i get an error message 0x8000ffff? This message has been showing up for a while. What does it mean and how do i go about trying to fix this problem. read more

RDP connection from Win 10 to Win 7 drops immediately after connection, but not when connecting the other way around

I have a machine with Win 10 build 18362 and one with Win 7 Ultimate SP1. I can connect with Remote Desktop from the Win 7 to the Win 10 machine just fine, but when I attempt to go from Win 10 to Win 7, it prompts with the standard [...] read more

Win7 2018-09 Quality Rollup (KB4457144) fails with 0x8000FFFF error

When I try to install KB4457144 (2018-09 Security Monthly Quality Rollup for Windows 7), installation stops, no matter from Windows Update or downloading from Catalog and running it. Is there a fix for this issue? read more

Update Windows 10 from ISO without losing data

I was wondering if I can update my Windows 10 from a USB, using an ISO. I have had problems updating for about a year, and tried everything. My Windows 10 never updates, and is still stuck on 1703. It has been so long since update, that I now have [...] read more

Windows won't update, or install .NET framework, or run sfc /scannow

So, I've been trying a lot of things to get my computer to run a few programs that depend on C++ and the .NET framework. I tried to reinstall the .NET framework, but it failed, with the error message > catastrophic failure (0x8000FFFF) Soon after, I realized that Windows was [...] read more

Upgrading to Windows 10 fall creator fails

This is the setuperr.log. 2018-01-23 16:43:24, Error MOUPG CDlpActionImpl<class CDlpErrorImpl<class CDlpObjectInternalImpl<class CUnknownImpl<class IMoSetupDlpAction> > > >::Suspend(1066): Result = 0xC1800104 2018-01-23 16:43:24, Error MOUPG CSetupManager::ExecuteInstallMode(723): Result = 0x800705BB 2018-01-23 16:43:24, Error MOUPG CSetupManager::ExecuteDownlevelMode(347): Result = 0x800705BB 2018-01-23 16:43:24, Error MOUPG CSetupManager::Execute(237): Result = 0x800705BB 2018-01-23 16:43:24, Error MOUPG CSetupHost::Execute(375): Result = [...] read more

Win7 SP1 install always fails to code 8000ffff catastrophic failure, target state 7 (full logs available)

Win7 32bit SP1 always fails to critical failure without a reasonable errorcode, any tips what to do? other updates are ok. I have tried standalone SP1, it fails after running a hour or so, here is LOG from todays try to run it. sfc/scannow gives errors that its unable to [...] read more

How to windows 7 restore if error 0x8000ffff appears? Not able to boot into system

I have a computer with Windows 7. When I boot it, I get the usual starting animation, the harddisk LED blinks but then the screen gets black and nothing more happens. No sound, so activity, no changes when I press any keys or the mouse buttons. When I start the [...] read more

Clicking Display All Running Tasks in the task manage yeilds Catastrophic Failure?

When I click Display All Running Tasks in Task Scheduler I get a dialog box that reads: Catastrophic failure (Exceptiuon from HRESULT: 0x8000FFFF (E_UNEXPECTED)) Is there anything that can be done to remedy this? read more

Windows 7 64 Bit PC: Windows Updates Installed Yesterday & Cannot Now Boot-Up To Login?

Everything was working fine until yesterday, when I installed Windows Updates, things went wrong. PC now boots up into "old fashioned" dialogue box entitled startup repair. This fails to solve the problem. Have tried system restore from both disc & built in options I believe. 3 restore points given on [...] read more

USB flash drive keeps activating 'write protection' by itself. Disarms after unsafe removal

Drive history > My 16gb Kingston USB flash drive has been consistently giving problems. Under > Windows XP it kept saying 'This storage media is write protected' after > copying over approximately 7 gigabytes worth of files. At first I thought this > meant that one of the NAND chips [...] read more

Sunbird does not show Events any more

As of today, a Sunbird 1.0b1 installation on a computer stopped showing the calendar contents. The top right just shows a rotating loading indicator and nothing happens, all the directly calendar-related menus are disabled. The error console shows the following messages: rootComp is null file:///C:/Program%20Files%20(x86)/Mozilla%20Sunbird/modules/calUtils.jsm -> file:///C:/Program%20Files%20(x86)/Mozilla%20Sunbird/calendar-js/calIcsParser.js line 82 Error [...] read more

Windows: Impact of clean install Service Pack 2 to applications & data?

My Windows Vista Home Premium system is corrupt and won't install Service Pack 2. I have followed all the advice from Microsoft and still no luck. I would like to perform a clean install of Vista, then SP1, and then SP2. My concern is the effect of the clean install [...] read more

Multi-App Kiosk mode provisioning failure code '0xC00CE223'

I'm trying to put in place a kiosk on a Surface Go using the following AssignedAccess.xml file in my provisioning package: <?xml version="1.0" encoding="utf-8" ?> <AssignedAccessConfiguration xmlns="https://schemas.microsoft.com/AssignedAccess/2017/config" xmlns:r1809="https://schemas.microsoft.com/AssignedAccess/201810/config" > <Profiles> <Profile Id="{f46cfb9f-044f-4d96-bb33-ea1c1c18a354}"> <AllAppsList> <AllowedApps> <App AppUserModelId="Microsoft.Windows.Explorer" r1809:AutoLaunch="true" /> <App AppUserModelId="Microsoft.WindowsCalculator_8wekyb3d8bbwe!App" /> <App DesktopAppPath="C:\Program Files\SumatraPDF\SumatraPDF.exe" /> </AllowedApps> </AllAppsList> <r1809:FileExplorerNamespaceRestrictions> <r1809:AllowedNamespace Name="Downloads" [...] read more

Selenium + Geckodriver + firefox test throws various errors

I'm trying to make some simple selenium tests with firefox and can't make it working correctly. Task is avoid using driver manager and use Geckodriver. Here is example of my code: @Test public void checkDownloadPage(){ System.setProperty("webdriver.gecko.driver", "drivers/windows/geckodriver.exe"); FirefoxProfile profile = new ProfilesIni().getProfile("TestAutomation"); FirefoxOptions ffOptions = new FirefoxOptions(); ffOptions.setProfile(profile); WebDriver driver [...] read more

An error occurred during local report processing. ---> Microsoft.Reporting.DefinitionInvalidException: The definition of the report 'xxx' is invalid

I've a VB application which will use .rdl to generate reports in PDF format by using Microsoft.ReportViewer.WinForms. There is an features which we allow the application to run without showing any UI to generate certain reports based on the setting in database. And we use task scheduler to run the [...] read more

C# Console Application Throws error when debugging - when using breakpoint at the right location, no error is thrown

I'm currently editing a console Application on C# in Visual Studio 2019. It's an application to synchronize some data on a database. The last time I edited the code everything was fine and the code ran through. At the moment I have a problem, where the app throws an catastrophic [...] read more

CX25 ActiveX control in .Net windows service

I have a CX25 coin dispenser ActiveX provided with test application from client (developed by unknow technology) and need to drive coin dispenser through .Net technology using Win service or API. Successfuly added the COM reference and included the namespace and created the object( See below code reference). using System; [...] read more

Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED )) in UWP app

While opening the MainPage.xaml after creating new uwp project getting error Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) I am using Visual Studio 2015 and repaired it still I am getting the same error. Please help me out. read more

Critical error when calling Redemption.IRDOSession.GetDefaultFolder(rdoDefaultFolders FolderType)

since Update from Redemption 5.24 to Redemption 5.25 we got an critical error on multiple machines when calling for example hte "GetDefaultFolder" method (foldertyp = Senditems): > System.Runtime.InteropServices.COMException (0x8000FFFF): Schwerwiegender > Fehler <- Critical error at > Redemption.IRDOSession.GetDefaultFolder(rdoDefaultFolders FolderType) Someone else? Some solutions? read more

How to assign string value to phkey?

I'm working on an utility to hook various bits of the Windows API used by different applications. The aim of the project is, at the moment to make any application portable by redirecting filesystem and registry calls to custom locations using easyhook. The complexity of the Windows API, however, has [...] read more

RTD Client in C#

I'm trying to write a simple RTD client to start with something, but I seem not able to make the initial connection. I have found some examples on the web, and best seemed to be this RTD client in C# gist. Having this on MS-Excel: =RTD("rtdtrading.rtdserver",, "WINZ20_F_0", "HOR") - formula [...] read more

SPException: Catastrophic failure (Exception from HRESULT: 0x8000FFF (E_UNEXPECTED) in Sharepoint

I've been trying to programmatically copy custom content type and its custom columns from one web to another for some time now, and I always get different errors or exceptions every time. After yet more tries, I received more strange and cryptic exception from Sharepoint after clicking onto a newly [...] read more

Embedding Pdf with OpenXml in PowerPoint fails for newer versions

I need to progammatically embed Pdf documents in PowerPoint via OpenXml. According to this: Embedding files into Open XML documents using C# it is possible via OLE32.StgCreateStorageEx methods to create the necessary picture as well as the oleobject. Unfortunately this doesn't work with current versions of PDF. On a 64 [...] read more

0x8000FFFF access violation when disposing Redemption RdoMail object

Six of our 400+ users reported this error in the last two months: System.Runtime.InteropServices.COMException (0x8000FFFF): Access violation at address 0000000000D7BA95 in module 'Redemption64.dll. Read of address FFFFFFFFFFFFFFFF at System.IDisposable.Dispose() This exception is raised just after a mail is saved on the user drive. The code that raises this exception is: [...] read more

Unable to add binding to UWP DataGridTemplateColumn

I want to bind some data to columns created dynamically in my code behind. It's working with DataGridTextColumn but not with DataGridTemplateColumn. Since DataGridTemplateColumn doesn't have a "Binding" property, I created a custom column deriving from DataGridTemplateColumn as some solutions suggested. However the SetBinding throw a System.Exception when GenerateElement method [...] read more

Connecting to TCP Server running in UWP app

I am attempting to run a TCP server from my UWP App. However i cannot connect to the server from another application (which im running on the same PC). I tried using the telnet command. This snippet works correctly if i use it in a command Line Application, in the [...] read more

Outlook 365 for desktop add-in not working

i have converted a outlook 2010 addin project into outlook 365(for desktop), after that when it reach below line Private Sub ThisAddIn_Startup() Handles Me.Startup Try Dim Application As Microsoft.Office.Interop.Outlook.Application = New Microsoft.Office.Interop.Outlook.Application 'EXCEPTION LINE then immediately throws exception as like below {"Retrieving the COM class factory for component with CLSID [...] read more

MSComctlLib TreeView ImageList Problem loading ImageList in TreeView

Recently Started working on MSComctlLib TreeView and ImageList want to figure out how to use images in my TreeView, also how to set background to my TreeView object; using C# windows application, writing addon for sap b1 which has ActiveX support. so what I did loaded MSComctlLib.TreeCtrl.2 object loaded MSComctlLib.ImageListCtrl.2 [...] read more

SAPI 5.4/11 Japanese TTS in Delphi GUI vs console

Trying to use MS Speech API v11 with a Japanese engine (MS Haruka) in Delphi 10.3. I have a sample app with a form and a button. The click handler goes: uses SpeechLib11_TLB; // Imported from "Microsoft Speech Object Library" v.B.0 procedure TForm1.Button1Click(Sender: TObject); var v: ISpeechVoice; begin v := [...] read more

Connection to Access database crashes using OLEDB provider (since Office 365 Build 12430.20184)

An application crashes connecting to an Microsoft Access database when using the latest Office 365 build: E_UNEXPECTED(0x8000FFFF) Environment: * Office 365 Version 2001 (Build 12430.20184) and later * .NET 4.6 * OLEDB provider * Access 2007 / 2010 databases .NET component <ComVisible(True)> Public Sub TestOpenOLEDB(databasePath As String) Dim ConnectionString = [...] read more

Access 2016 problems with Thread usage c#

I'm trying to open access connection from a C# application. The connection is being opened the below method : ADOX.CatalogClass cat = new ADOX.CatalogClass(); System.IO.File.Delete(_AccessDatabaseName); cat.Create("Provider=Microsoft.ACE.OLEDB.12.0; Data Source=" + _AccessDatabaseName + "; Jet OLEDB:Engine Type=5"); cat = null; _ErrorMessage = ""; return (true); Everything works fine until i call these [...] read more

Quickbooks Web Connector throwing Index was outside the bounds of the array

I am integrating quickbooks desktop with opencart using WCF services and Quickbooks web connector. but i am getting this error while calling authenticate method. Here is my .cs Code using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.ServiceModel.Web; using System.Text; using System.Text.RegularExpressions; using System.Xml; using [...] read more

How to fix WinRT originate error and holographicspace catastrophic failure exception in Hololens App?

I've recently started getting the following error periodically in my Hololens App, roughly every minute or so, without changing any of my core app functionalities (mostly UI and bugfixing changes): onecoreuap\analog\input\holographicdriverclientlib\lib\spatialgraphdriverclient.cpp(145)\Windows.Mirage.dll!6FDACA3F: (caller: 6FDAE477) ReturnHr(5) tid(1878) 8007001F A device attached to the system is not functioning. onecoreuap\analog\input\holographicdriverclientlib\lib\spatialgraphdriverclient.cpp(2114)\Windows.Mirage.dll!6FDAE299: (caller: 6FDAE2F7) ReturnHr(4) tid(1920) [...] read more

Error when asking Running Object Table (ROT) out of main thread

I have this method to test if I successfully get ROT: void func() { IRunningObjectTable *rot; qDebug() << GetRunningObjectTable(0, &rot); } Everything's fine from main thread but not in a separate one: func(); // qDebug prints S_OK (0) QFuture<void> future = QtConcurrent::run(func); // qDebug prints E_UNEXPECTED (0x8000FFFF) Compiling with MinGW [...] read more

crystal reports 13 Oracle connection problem

I'm trying to migrate a small .NET application (VS2008, Crystal Report 10, OS Win7 32-bit) The application has got 2 reports that use some data of an oracle database version 11g Release 2 (11.2.0.1). When I upgrade the application (VS2019Pro, latest Crystal Report (CR13SP25), OS Win10 64-bit) the application itself [...] read more

How do I delete WMP Playlists after playing?

I am coding an application that displays some still images in a picture box control in sequence (slideshow), and then play several MP4 files using the windows media player WMP control. The video files are dumped into a folder and a playlist is created on the fly on each cycle [...] read more

Adding rows to existing Excel file

I am trying to add a DataFrame to rows below existing cells on an existing .xlsx file with this code: book = load_workbook(r"C:\path\file_name.xlsx") writer = pd.ExcelWriter(r"C:\path\file_name.xlsx", engine='openpyxl') writer.book = book writer.sheets = {ws.title: ws for ws in book.worksheets} contract_df.to_excel(writer, startrow = 10, header = False, sheet_name='UsrLeaseContract') writer.save() I manage to [...] read more

Issue with UWP getHtmlPrintDocumentSourceAsync( when used along with x-ms-webview)

My app uses x-ms-webview for other requirements. We create the HTML element x-ms-webview and add it to DOM. After its functionality is done, we remove it from DOM. My app also uses Windows document Printing. It uses Windows.Graphics.Printing(PrintManager.ShowPrintUIAsync). The data to printed is converted to HTMLDocumnentSource using the API MSApp.getHtmlPrintDocumentSourceAsync(page) [...] read more

Connecting to DB2 using PowerShell

I'm trying to connect to a DB2 database and execute some queries. I had it working a few days ago, but now it's giving some really strange errors and I can't figure out why. The PowerShell connection code $connection = New-Object System.Data.OleDb.OleDbConnection("Provider=IBMDADB2;Database=X;HostName=X;Protocol=TCPIP;Port=X;Uid=X;Pwd=X;CurrentSchema=X"); $ds = New-Object "System.Data.DataSet" $da = New-Object System.Data.OleDb.OleDbDataAdapter($QuerySQL, [...] read more

Microsoft.Speech.Synthesis - Chinese speak error (zh-CN, HuiHui)

It seems like the Microsoft Speech Synthesis issue with Chinese (HuiHui) is still running into the wild. After some researches online and few tries to fix it I couldn't find any solution. The setup Windows 10 (x32) (tested on x64 too) SDK 11 Visual Studio 2017 The error InnerException = [...] read more

Entity Framework throws Catastrophic failure

Recently we are facing an issue with Entity Framework , We have a code which just insert s a record into a table using entity framework using DBContext.SaveChanges() . This is throwing an Exception System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) at System.Security.Policy.PEFileEvidenceFactory.GetLocationEvidence(SafePEFileHandle peFile, SecurityZone& zone, StringHandleOnStack retUrl) [...] read more

IIS 8.5 .NET Framework 4, application fails to load with Catastrophic Error

Recently our Application was uplifted from .NET 2.0 to .NET 4.0. It's based on IIS web Server. We install our application through wix toolset using an .MSI file. Application installers creates new customised AppPool and also provide an option to Key in AppPool Userid and Password during installation and this [...] read more

System.TypeInitializationException for SQLConnection only during runtime

I created a simple application to get data from a SQL database. During the debugmode everything works fine. After the deployment or during release mode a TypeInitializationException appears for the SQLConnection object. Before I start the SQLConnection I change the user with the ImpersonatedUser technique. The whole application is based [...] read more

COM exception occurs only when I'm logged in to company domain

I have been working on a c# project in VS2017 Community. It's been fine for 6-8 weeks. I went away for the weekend and came back and I'm now getting an exception in my code that was not there previously. > System.Runtime.InteropServices.COMException: 'Catastrophic failure (Exception > from HRESULT: 0x8000FFFF (E_UNEXPECTED))' [...] read more

IIS 10 Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))

I've a web site that show 'Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))' in Windows Server 2016. The issue only appeared when ASP.NET was initializing on the first request from a web browser. If you requested the website a second time, the application would finally start. Try the options: * [...] read more

UWP - ListView Issue, I can't add my search to the list

I have to use a list. I'm trying to add my searched data to the view list and it's crashing again and again. i thing the issue is in list view Thank you. Error: > System.Exception: 'Catastrophic failure (Exception from HRESULT: 0x8000FFFF > (E_UNEXPECTED))' XML: <ListView x:Name="listView" Grid.ColumnSpan="5" Grid.RowSpan="5" Grid.Row="2" [...] read more

Issue while creating an App Package for Xamarin.UWP app in release mode

When I try to release an UWP app made in Xamarin, I'm getting following error in release mode. Is there any solution for this issue? ErrorNUTC1056:Internal Compiler Error: 0x8000ffff. Error encountered while compiling method read more

Not able to Execute Selenium scripts using Jenkins with latest Firefox browser V59 & Gecko Driver

I am currently using FF 59 , Gecko Driver V0.20.1, Windows 10 OS & Eclipse with Maven. When using a batch or executing scripts via eclipse scripts run fine in Firefox but when i try to do the same via Jenkins i get this error. Same question have been asked [...] read more

Assembly compiling error on PCSpim simulator

i'm new to assembly and i'm studying it applied on MIPS. My university teacher gave us some codes. Here there is one. .data 0x100020000 dati1: .word 0xC000, 0xF000A000, 0x8000FFFF, 0x23150001, 0x0 .text main: sub1: move $t0, $zero la $t1, dati1 ciclo1: lw $t2, 0($t1) move $t3,$t2 bne $t2, $zero, dopo1a [...] read more

WUA API unable to find update

Code sample: $UpdateSession = New-Object -ComObject 'Microsoft.Update.Session' $UpdateSearcher = $UpdateSession.CreateUpdateSearcher() $Updates = $UpdateSearcher.Search('IsInstalled=1') $Updates | Where-Object { $_.Title -like '*KB2506143*' } I'm trying to uninstall WMF3 programmatically, but I keep getting errors when trying to utilize wusa.exe, wusa /uninstall /kb:2506143 /quiet /norestart /log:C:\log.evt > CbsClient::CbsClient.00110: Failed to create a CBS [...] read more

Run WebTest in vNext build via PS-Remoting on Windows 10 server got "System.Data.Entity.Core.ProviderIncompatibleException"

In TFS vNext build I deploy serveral webtests via PS-Remoting to one Windows 10 test agent and run all webtests. It does not not stable because sometimes I get an error with "System.Data.Entity.Core.ProviderIncompatibleException" (s.below) Visual Studio 2015 has be installed on the server. The same tests under the sam condition [...] read more

addons.manager ERROR startup failed:

I am getting this below error, is this really a error or just a warning message that I can ignore, please help. Also my test code runs well but opening another blank window in browser. I am using selenium 3.4.0 Firefox browser 47.0.2 geckodriver-v0.16.1-win64 also need know the compatibility of [...] read more

JavaScript error: undefined, line 492: Component returned failure code:

I am new to selenium, and getting this below error. Selenium 3.4.0 Firefox browser 47.0.2 geckodriver-v0.16.1-win64 Please help on this, Thanks in advance. :) Below is the test code: System.setProperty("webdriver.gecko.driver","C:\\Users\\User\\Downloads\\geckodriver-v0.16.1-win64\\geckodriver.exe"); /* DesiredCapabilities capabilities = DesiredCapabilities.firefox(); capabilities.setCapability("marionette", false); // true getting : AddonManager is not initialized WebDriver driver = new FirefoxDriver(capabilities); [...] read more

TinyMCE trouble when loading text (probably Ajax related)

I have a textarea, this is the code: <textarea id="mailtemplate4" class="mceEditor" rows="20" cols="139" name="templatearea4"></textarea> I am using the tinyMCE Editor to display some text which gets generated in an Ajax request. Problem is, the editor shows up, but the text is never displayed, this is the code which is executed [...] read more

Catastrophic failure followed by MAPI_E_INTERFACE_NOT_SUPPORTED when trying to AddPstStore

I am trying to add pst store from outlook addin using Redemption with the code: RdoSession = Redemption.RedemptionLoader.new_RDOSession(); RdoSession.MAPIOBJECT = (AddinModule.CurrentInstance as AddinModule).OutlookApp.Session.MAPIOBJECT; string path = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + @"\Microsoft\Outlook\mystore.pst"; RDOStores stores = RdoSession.Stores; RDOStore store = stores.AddPSTStore(path, Outlook.OlStoreType.olStoreDefault, "test"); Line stores.AddPstStore throws System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure and it creates mystore.pst [...] read more

ArcObject IWMSServiceDescription.get_LayerDescription C# error

My goal is to connect to a WMS Service and display a layer on my application's map using ESRI's ArcObject API for .NET. Here is the part of my code I am struggling with: ... String url = "some value"; String layerTitle = "another value"; ... PropertySet props = new [...] read more

C# "Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))"

I am building a firewall controller using c#. I am getting a : > Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) When I am trying to add firewall rules from a list. It seems to work out fine when I just create a rule and add it to the firewall [...] read more

Facing error after executing Script written in java(Selenium WEbdriver)

I have created the two files. First file in which I have given the browser name and Url. Second file in which I have given the logical names to the xpath. I have created the two class correspondingly. In first class, I have created all the functions. In second class, [...] read more

PowerShell script throws error but still produces results

I have a print server with about 50 printers installed with various drivers and not all configurations are set the same. I am moving printers around to new IP addresses based on a new IP schema, and I need to track each printer, its old IP, and the new IP. [...] read more