Windows error 0xC000027B, -1073741189

Application-internal exception in Windows.UI.Xaml.dll

I'm working on a Windows 10 Store Windows Universal app using Visual Studio 2015 Community, c#, and XAML. It is decompressing a compressed file and displaying images found therein. The build provides 0 warnings. The debug version runs fine regardless of input file size. The release version runs fine with [...] read more

Getting 0x8007005 when installing any Metro app from App Store after

I recently moved my profile directory from C:\Users\[name] to E:\Users\[name] because I was running out of space on my drive C. I actually created a different account, completely copied everything from C:\Users\[name] to E:\Users\[name]. I logged back into the original account and everything is working but when it comes to [...] read more

How to download files using UWP in c#

I'm a beginner in programming, and I was wondering what the right way is to download files in UWP I now use this, but it only works like 50% of the time: public async Task StartDownload() { try { StorageFile sf = await DownloadsFolder.CreateFileAsync(title.Text, CreationCollisionOption.GenerateUniqueName); downloadFolder = (await sf.GetParentAsync()).ToString(); HttpClient [...] read more

WinRT app crashes in release build but not debug

I have an app that runs fine in debug but crashes when trying to launch in release. This is the exception that is thrown. > Unhandled exception at 0x5D2F7717 (Windows.UI.Xaml.dll) in Napkin.exe: > 0xC000027B: An application-internal exception has occurred (parameters: > 0x034F6C70, 0x00000001). Any ideas what might be the source [...] read more

Windows 10 Photos app crashing on opening any image

When opening any image I'm getting this error: Error image [https://i.stack.imgur.com/AGtA6.png] I checked Event Viewer: Event 1000: Faulting application name: Microsoft.Photos.exe, version: 15.827.16340.0, time stamp: 0x55dfa48c Faulting module name: Windows.UI.Xaml.dll, version: 10.0.10240.16431, time stamp: 0x55c9bf27 Exception code: 0xc000027b Fault offset: 0x00000000005017ee Faulting process id: 0xd3c Faulting application start time: 0x01d0ea04d37dd116 [...] read more

Conditional XAML Crashes UWP App

My UWP app targets a min version of 1703 and a max of 1803. It also uses an AcrylicBrush, which wasn't available until 1709. I'm trying to use conditional XAML to create an AcrylicBrush when the current version supports it (i.e. version is 1709 or higher). Below I have a [...] read more

Unhandled exception at 0x00007FFCF05E675B (Windows.UI.Xaml.dll)

I've developed an UWP app, for which I have already managed to build and publish package on the Store, without any problem. As some users encounter performances problems, I would like to test my last changes by compiling the code with ".Net Native tool chain". But I get an exception [...] read more

Windows 10 UWP apps launch and then disappear immediately

THE PROBLEM When trying to run certain Provisioned Windows apps on Windows 1903, the apps seem to open and then just disappear very quickly—and this is the problem. TROUBLESHOOTING Upon inspecting the Event Viewer Application logs, there are Event ID 1000 events logged. Furthermore, upon inspection of the Event Viewer [...] read more

Windows 10 Settings app crashes when trying to remove account used by other apps

Circled by red you can see the "remove" button. Now when I press it asks for confirmation. After I confirm the Settings crashes. [https://i.stack.imgur.com/BEqAv.png] I used that account to login into Store app. I tried to sign-out and remove the account but the problem still persists. Tried in Safe-mode to [...] read more

Trying to debug Windows Store App from dump files

Let me start with my main questions, then below I will add some specifics and history. I have done research, but can't seem to fit the pieces together. Please ask for clarification before voting me down. My questions: Why would my Windows Store app start and run correctly locally on [...] read more

Inspect dump files from UWP app

First I enabled saving of dump files on a Windows 10 Mobile phone: > Settings > Update & Security > For developers > Save this many crash dumps: 3 Then I debugged an app which throwed an exception. I continued the debugging after stop. After disconnecting and connecting the mobile [...] read more

What should I do to prevent games from crashing?

I've looked for similar duplicates but my problem is a bit specific than others. I'll clearly explain what my problem is. When I installed Windows 8, I was able to play game Despicable Me: Minion Rush. But now, it won't work and only the splash screen appears before exiting to [...] read more

Windows 8.1 apps Calculator, Alarms, Weather (just a few) crash immediately when opened

When I open some apps from the Start Screen in Windows 8.1, it just closes right away and brings me back to Start. It won't show me why it closed at all, but I looked in Event Viewer and it says in the description of the event: Activation of app [...] read more

How can I pass an implementation of "IStorageItem" to DataPackage.SetStorageItems(items) and don't get an InvalidCastException raised on UWP?

I'm developing a UWP application which shall be able to share its files. I followed the documentation from Microsoft and the solution worked pretty well. Here is my implementation: public void ShareLocalFile(LocalFileToShare file) { DataTransferManager.GetForCurrentView().DataRequested += async (sender, args) => { var deferral = args.Request.GetDeferral(); try { var storageFile = [...] read more

Release-only exceptions for UWP Storyboard and CallMethodAction

I am debugging a piece of code that uses a CallMethodAction to trigger a storyboard in a UWP app. My VS is updated to the latest (15.8.6). The error I am getting from VS 2017 is: > Cannot find method named Begin on object of type > Windows.UI.Xaml.Media.Animation.Storyboard that matches [...] read more

UWP app run after deploy from package - crash

I created big update for my uwp app(Windows 10 desktop). My debug and release configuration app runing on my PC. I created package for store. I deploy test folder app(MyApp_VersionNumber_Test) on other PC - the deployment is successful. But I running my app then app crashing. It is log from [...] read more

Xamarin UWP Debug Build works, but not Release ("No embeddedresource found" and .NET Native Toolchain)

So I have now finished coding for my Xamarin Application and all works fine in the Debug builds. I've then tested the Release build on Android by Archiving and Signing the APK, and it works fine, but the problem comes in when trying to Build the UWP Project Package Files. [...] read more

Loading ResourceDictionary in code behind in UWP/C++

I'm trying to load, in runtime, ResourceDictionary that is stored in a file. In C# it looks simply as ResourceDictionary resourceDictionary = new ResourceDictionary(); resourceDictionary.Source = new Uri("ms-appx:///!UWP/Styles/UWPDictionary.xaml", UriKind.Relative); Application.Current.Resources.MergedDictionaries.Add(resourceDictionary); but same code (in c++/cx) is not working: auto rd = ref new ResourceDictionary(); rd->Source = ref new Uri("ms-appx:///!UWP/Styles/UWPDictionary.xaml"); Application::Current->Resources->MergedDictionaries->Append(rd); [...] read more

How to get sockets to work between Unity and UWP apps?

I am trying to make a game that takes heart rate values from a Microsoft Band. I was trying to check if I can use sockets to get data from an exe file to send it to Unity. But ubnfortunately, UWP apps does not have TcpClient or TcpListener. Unity does [...] read more

Unknown exception in Windows_UI_Xaml!DirectUI::Application::OnLaunchedProtected

Store certification testing is reporting that my app crashes on startup. I have not been able to reproduce the error on my desktop pc or Surface RT so far. The app does implement search contract. Please have a look at the minidump here. Update: I have attached a link to [...] read more

Binding Hex value to Color in XAML

I have objects stored in a database that I am displaying in a GridView. I am binding each of their properties from the database. The color property is stored as a Hex value. I am trying to bind this hex value using a converter function as shown below and just [...] read more

Windows 8 application(Windows store app) suddenly terminates

I have created windows store app on windows 8 RTM version. Then I moved the application to run on Windows 8 pro with visual studio 12 Express. upon running the code it gave lot of errors(It was running fluently on RTM version), somehow I removed all errors and application is [...] read more

Windows 8 Application: String not found

I am developing a Windows 8 App using XAML and C#. I created a resource dictionary for storing localization strings. While using the " < String > " tag as it is, the compiler recognizes it but says it is not supported. In my current configuration: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="using:System"> [...] read more

Windows 10 start menu, task bar and more not working. Crashes with Cortana / SearchUI.exe / ShellExperienceHost.exe

Recently a lot of Windows features stopped working on my Surface Pro (2017) with Windows 10 Pro. E.g. can't open start menu, Edge, system settings. On top of that, WiFi network adapter stopped working - so using ethernet connection via Surface Dock. The following errors pop up in EventViewer when [...] read more

Cannot run the Netflix Modern app on Windows 8.1

I'm trying to run the Netflix Modern app on my PC running Windows 8.1. To be clear, this is the app that you can install in the Modern interface using the Microsoft Store. I'm not trying to run Netflix in a web browser. Note that it does work in a [...] read more

Windows 10 Apps, right-clicking on Taskbar icons, Start Menu/Search Bar and clicking Windows System Tray icons all fail

So in the middle of the day (worked fine in the morning), I come to find out that all the crap listed in my Title starts to happen. Internet Explorer 11 also doesn't fully function: some sites fail to load or are incomplete. I am at my wit's end as [...] read more

Codename One UWP release build crash on start

I have a Codename One UWP app that works fine when I build it in debug mode and install the appxbundle using the supplied PowerShell script. However, when I build in release (appxupload) mode the resulting app (extracted from the appxupload file) crashes immediately after showing its window on startup. [...] read more

Uwp app is getting crashed when system goes in sleep mode

When I close the laptop lid or machine goes into sleep mode, my uwp app is crashing sometimes. Error in Event Viewer is Log Name: ApplicationSource: ESENTDate: 26-08-2020 13:01:29 Event ID: 455 Task Category: Logging/Recovery Level: Error Keywords: Classic User: N/A Computer: SanjayWinTest Description:svchost (11324,R,98) TILEREPOSITORYS-1-5-18: Error -1023 (0xfffffc01) occurred [...] read more

UWP App closing as soon as it opens (Windows.UI.Xaml.dll) - error

We have a sideload AppXBundle where we are experiencing the app crashing right after it shows the splash screen. We install the certificate from our store association, double click on the appxbundle - App Installer prompt appears, and we click install. As mentioned, the splash screen shows, and then within [...] read more

i have an issue with an "autosuggestbox" on release deployment

I am developing a very basic uwp application with Visual Studio 2019 community. I use an autosuggestbox to allow the user to find entries that come up often. When I deploy the application in debug mode the autosuggestbox works perfectly. If I start to type the beginning of one of [...] read more

Is there some kind of code size limit for UWP user controls to work in Xaml islands? (exit code 0xc000027b)

I need to get xaml islands working with my project. I started with the small samples, works great. I modified our large UWP application to provide a UWP user control to WPF and when I run, it looks like it is starting but then just suddenly ends, no errors but [...] read more

How to add multiple instances of the native add UWP?

I have an UWP app which displays several catalogs of videos. They are located in separate pages. For this purpose I've created an NativeAdV2 control: public sealed partial class CardAdvert : UserControl { NativeAdsManagerV2 manager = new NativeAdsManagerV2("d25517cb-12d4-4699-8bdc-52040c712cab", "test"); NativeAdV2 advert; public CardAdvert() { InitializeComponent(); manager.AdReady += AdReady; manager.RequestAd(); } [...] read more

How to diagnose fault in crashing UWP app

I have a UWP application which runs fine from Visual Studio with the debugger attached. If I run the app standalone, from the start menu - which is the app that Visual Studio has deployed - it will start, but crash when I invoke one of the functions in the [...] read more

Xamarin.UWP Runtime error in Release mode

I get an error when running my Xamarin.Forms.UWP app in Release Mode. onecore\com\combase\inc\comcataloghelpers.hpp(64)\combase.dll!00007FFD5E991DAA: (caller: 00007FFD5E990205) ReturnHr(1) tid(6adc) 80040154 Klasse nicht registriert onecore\com\combase\inc\comcataloghelpers.hpp(64)\combase.dll!00007FFD5E991DAA: (caller: 00007FFD5E990205) ReturnHr(2) tid(2ac4) 80040154 Klasse nicht registriert onecore\com\combase\inc\comcataloghelpers.hpp(64)\combase.dll!00007FFD5E991DAA: (caller: 00007FFD5E990205) ReturnHr(3) tid(39ec) 80040154 Klasse nicht registriert onecore\com\combase\inc\comcataloghelpers.hpp(64)\combase.dll!00007FFD5E991DAA: (caller: 00007FFD5E990205) ReturnHr(4) tid(27a4) 80040154 Klasse nicht registriert Exception thrown: [...] read more

twinapi.appcore.dll faulting module in background task

I have created the UWP application and tested in various environments. In some machines it suddenly got crashed. In the event viewer we have found the logs as > Faulting application name: backgroundTaskHost.exe, version: 10.0.17723.1000, > time stamp: 0x6fe3727f Faulting module name: twinapi.appcore.dll, version: > 10.0.17723.1000, time stamp: 0xbc2611b9 Exception [...] read more

UWP App with release configuration and .net native crashes only when build on VSTS hosted agent

We implemented a build pipeline for our UWP app on VSTS. We can build the application on any of our developer workstations in release mode with .NET native enabled and the app works as expected. When we build the same application on a Hosted VS2017 Agent in VSTS, the application [...] read more

UWP app work fine on debug but give error "DllImport" in Release

I am reviewing one of GitHub Project and found a problem, It works fine in Debug Mode Following Error Comes if try in Release Mode > TypeLoadException: Unresolved P/Invoke method > 'MediaApi_GetRadioEnabled!radioapi.dll' in assembly > 'Microsoft.Devices.Radio.FMRadio, Version=1.0.0.0, Culture=neutral, > PublicKeyToken=null' because it is not available in UWP applications. Please > [...] read more

Trying to implement full view in windows 10 mobile through code but it gives Unhandled exception while deploying on desktop view in windows 10

I'm trying to implement full view in Windows 10 mobile view through code. It's working fine in mobile, but when deploying the same code for desktop view I get the following error: > Unhandled exception at 0x00007FFCB9BFD1C4 (twinapi.appcore.dll) in > L_c_uwp.exe: 0xC000027B: An application-internal exception has occurred > (parameters: 0x000000C517DFECF0, [...] read more

Parse error.Primitives.RangeBase.Minimum

I'm trying to put a slider on a windows universal 8.1 and I'm uncertain what is needed. My error is: Exception thrown: 'Windows.UI.Xaml.Markup.XamlParseException' in Mead Must Maker.Windows.exe WinRT information: Failed to assign to property 'Windows.UI.Xaml.Controls.Primitives.RangeBase.Minimum'. [Line: 22 Position: 182] The program '[1260] Mead Must Maker.Windows.exe' has exited with code -1073741189 [...] read more

Unknown error in Custom Control using AppBarButton

I'm writing an app for UWP using C# and have come across a strange error that I can't seem to fix. When I put an AppBarButton inside an ItemsControl and click it, it causes an error. This happens whether I bind the AppBarButton or put it in manually. This happens [...] read more

Windows App crashing at start, when build not created on same machine

Im working on a windows 8.1 store app project, when i create a App package and install it on the same machine it works well, if i then use that package on a diferent machine, i get a crash at splash screen Machine 1: PC with windows 10, developer mode [...] read more

Debug build works fine, Release build breaks?

Trying to publish my UWP app. I'm able to build Release versions fine (I was actually able to push to the Store), but my app crashes as soon as it's launched. But the debug works fine? I'm getting this error when debugging a Release build: Unhandled exception at 0x55BA32F9 (Windows.UI.Xaml.dll) [...] read more

Access extended properties in XAML

I am writing an app for Windows 8.1 that has a feature that displays a horizontal series of images that are contained within a wrapper class that I have extended from a previous API that I wrote. Basically the set up is as follows: I have base class A that [...] read more

An application-internal exception has occurred

I tried running my Windows Phone 8.1 XAML App, but it does not get past this exception: > Unhandled exception at 0x75B20D83 (TWINAPI.APPCORE.DLL) in > Neomilano.WindowsPhone.exe: 0xC000027B: An application-internal exception has > occurred (parameters: 0x0300E460, 0x00000001). I don't know what causes this. Maybe some of you do. I'll add details [...] read more

Win 8.1 App crashes on user device - How to debug?

last week I published my first Windows 8.1 app on the Windows Store. So far everything works fine but now two user reported that the app crashes immediately when being launched. Additionally I discovered that there is a CrashDump listed in the Reports/Quality section of the Dashboard. I dowloaded the [...] read more

Crash of Windows Settings and Windows.UI.Xaml.dll

I just purchased an Lenovo IdeaPad L340 Gaming Laptop. It comes with Windows 10 Home pre-installed. It has a GPU from NVIDIA (GeForce® GTX 1650). I made the initial configuration and installed few software: * Office365, Adobe Creative Cloud, Adobe Premiere: licenced * Notepad++ from MS store * BitDefender AV [...] read more

Xbox One App Beta Crashes when starting Streaming

Since a few days only the Windows 10 Xbox One App Beta crashes as soon as I hit the button to start streaming. The event log shows 1 critical error followed by an informational one: Faulting application name: XboxApp.exe, version: 33.34.1710.13002, time stamp: 0x59e0f905 Faulting module name: Windows.UI.Xaml.dll, version: 10.0.15063.674, [...] read more

Explorer.exe crashes whenever I try to open a network computer

I have a Windows 10 computer that is experiencing some unusual problems accessing networked computers and devices. If I go to "This PC" (My Computer) and expand the "Network" section in the left-hand navigation bar, I can see all of the computers on our network. However, if I double click [...] read more

Metro/modern App issues

A lot of metro apps had problem when my PC was running Windows 8.1 - some apps don't have sound while others, e.g., the built-in Movies&TV, just quit after clicked. Now the problems remain the same after upgraded to Windows 10. The following is the event log of "Movies & [...] read more

UWP app crashes rarely with Exception code 0xc000027b in windows 1803 version only

Application works fine. But sometimes app crashes unexpectedly in windows 1803 version alone. Without logging the error,it crashes with exception code 0xc000027b. read more

Debugging UWP .NET app: Unhandled exception at 0x79A1CFAC (SharedLibrary.dll) in MyApp.exe: 0x00001007

I've built a Xamarin.Forms app and when I try to debug its UWP frontend in Debug|AnyCPU mode I get this exception at launch: Unhandled exception at 0x79A1CFAC (SharedLibrary.dll) in MyApp.exe: 0x00001007 Visual Studio wouldn't let me copy all the details to the clipboard so I had to take a screenshot: [...] read more

Xamarin.UWP bug

There should be a bug in DotNetNativeToolChain. In project_name.UWP.csproj file, I have <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain> In xaml, I have <Image x:Name="testimage"></Image> In code behind file, I have testimage.Source = ImageSource.FromResource("project_name.testimage1.png"); testimage1.png is entered into project_name.csproj as <EmbeddedResource Include="testimage1.png" /> Project can compile but crash with an error "Unhandled exception at 0x(Windows.UI.Xaml.dll) in [...] read more

Cannot run Xamarin UWP App in Release mode

I am currently working on a multi-platform Xamarin app, targeting iOS and UWP. Everything is fine on iOS, but I have trouble deploying on Windows in Release mode. In Debug mode, there is no problem. My app can be compiled, deployed and packaged. In Release, I can compile my project, [...] read more

WPF .Net Core 3 XAML Island (UWP) application abruptly closes itself

Application I work on uses WPF and .Net Core 3.0 targeting Windows 1903 and up. Application has an XAML Islands with UWP's TreeControl inside WPF's Prism module View. It does loads and shows up ok. But if I do something in UWP control in XAML Islands, like moving item from [...] read more

Sideloaded app crashes for no apparent reason

I installed my app using a sideloaded package on 2 different computer. The app is installing, with the certificate and the Powershell script, but once it's installed when I try to launch it, the app is crashing instantly for no reason. I installed the app on the laptop I used [...] read more

UWP resources not found

I have an UWP application which is working fine on various machines but on one particular machine, it is crashing silently. When I debugged the installed app through visual studio I figured out that it is not getting the resources on the XAML file e.g {ThemeResource ComboBoxDropdownContentMargin} {Binding TemplateSettings.DropDownContentMinWidth, RelativeSource={RelativeSource [...] read more

Open local data path with FileOpenPicker

/Data/myFiles/ I want to open the data path above, which is local to my App folder (HoloApp/Data/myFiles), in my Hololens app. From what I understand the chief way of doing this is with FileOpenPickers. I've perused the API's and attempted to get even the most basic, stripped down, simple FOP [...] read more

Xamarin forms: Getting exception when use displayactionsheet in UWP(Android part working fine)

I am getting the following exception when using displayactionsheet and app stop working in UWP, the android part is working fine. The thread 0x5464 has exited with code 0 (0x0). The thread 0xac4 has exited with code 0 (0x0). The program '[12688] Business_App.UWP.exe' has exited with code -1 (0xffffffff). Exception [...] read more

Xamarin Project works fine in Android, throws "405" errors in UWP when calling WCF

I have an App that works fine when I set Android as the startup project but throws an error when I have UWP as the startup project. I have found, by commenting out code here and there, that the error is occurring when I make a call to my WCF. [...] read more

handle drop event of drag and drop from ListView to ListView with UWP and C++/WinRT app

I am working on a simple UWP application written in C++/WinRT under Windows 10 that contains two ListView controls. The goal of this application is to learn how to select an item from one ListView control, drag it to the other ListView control, and drop the item so that it [...] read more

URI correct but incorrect at run-time?

My file, located at 'C:/Users/Username/Desktop/sample.pdf' is there. I can open it manually and it loads fine. Now if I put an invalid link, such as, file:///sample.pdf, which clearly can't be found, the Hololens app will open the Edge browser attempting to open the pdf. So, it's clear the code is [...] read more

I am experiencing random crash with uwp application on user device

I am experiencing random crash with uwp application on user device. below is the crash dump > Product: WinNt, suite: SingleUserTS kernel32.dll > > version: 10.0.15063.608 (WinBuild.160101.0800) > > Machine Name: Debug session time: Wed Nov 15 05:55:26.000 2017 (UTC - 5:00) > > System Uptime: not available Process Uptime: [...] read more

Exception when deploying a UWP Windows app in master mode

Attempting to deploy a UWP Windows app in master mode throws an unhandled exception as follows: > Unhandled exception at 0x603FF073 (Windows.UI.Xaml.dll) in HopTheBall.exe: > 0xC000027B: An application-internal exception has occurred (parameters: > 0x038C1FB0, 0x00000002). enter image description here [https://i.stack.imgur.com/FFnK6.png] Can anyone give the rectification for this error? read more

BluetoothLEClient UWP Sample crashing

I need to develop an application for Windows 10 that can interface with a BLE device I have with custom GATT services. I understand the the correct way to do this is using the BLE support within UWP. So I am attempting to start by getting the BluetoothLEClient sample running [...] read more

UWP app based on XamlNavigation Sample fails Certification

I have a UWP app released in Store which I updated with a new UI based on the XamlNavigation sample. The updated app runs well on my development machine (x64) and passes WACK but fails Certification when I try to publish in store for silently terminating on launch. I cannot [...] read more

Ionic Windows App crash Emulator

I am developing windows app using ionic framework. App working good with Android & IOS but getting crash with windows Emulator 10.0.143xxx. i didn't try with real device yet. > With Windows Target Version 8.1 : 'WWAHost.exe' (Script): Loaded 'Script Code (MSAppHost/2.0)'. The program '[4164] WWAHost.exe' has exited with code [...] read more

Upgrading Project with Template 10 V1.1.0 to v1.1.12

I've updated Template 10 in a previously working, but unpublished T10 UWP application from version 1.1.0 to 1.1.12. The project uses MvvmLight and PropertyChanged.Fody too. I've corrected OnNavigatedTo to OnNavigatedToAsync in ViewModels. To App.Xaml.cs I added // jha from 1.1.12 AutoSuspendAllFrames = true; AutoRestoreAfterTerminated = true; AutoExtendExecutionSession = true; The [...] read more

Saving issue with text file uwp

I have problem with this visual c# uwp code when I am trying to save to text file with raspberry pi 3 with Windows 10 IoT. var path = @"urls.txt"; var folder = Windows.ApplicationModel.Package.Current.InstalledLocation; var file = await folder.GetFileAsync(path); var lines = await Windows.Storage.FileIO.ReadLinesAsync(file); (lines[0]) = textBoxRadio.Text; (lines[1]) = textBoxRadio2.Text; [...] read more

0xC000027B exception in store UWP app (Windows.UI.XAML)

I've an C#/UWP-app in beta-release in the Microsoft App-Store. Most of the users have no problems with the App, but for one user the app is crashing on startup. You can't even see the Splash-Screen (it should be displaying a logo or color, however it is white). In the eventlog [...] read more

How to access TextBlock control from a task/thread?

I need to update a UI control from within a task/thread. What am I doing wrong here? Trying to write some debug info to a page instead of just the Visual Studio output console. MySuperAppPage::MySuperAppPage(){ // in main thread InitializeComponent(); this->myTextBlock->Text = "mainThread"; // works create_task([this]() // async { while(true) [...] read more

ComboBox SelectedItem throws exception in Windows 10

following code works fine under Windows 8.1 and I recently upgraded my OS to Windows 10 and it throws an exception. Here is a screenshot of the exception enter image description here [https://i.stack.imgur.com/futxn.png] This is the XAML code: <ComboBox Grid.Row="3" HorizontalContentAlignment="Left" HorizontalAlignment="Left" TabIndex="2" VerticalAlignment="Center" ItemsSource="{Binding DateFormats}" SelectedItem="{Binding DateFormatSelected, Mode=TwoWay}"> <ComboBox.ItemTemplate> [...] read more

Unhandled crash after purchasing IAP in UWP app - Windows 10

I'm in the process of adding in-app purchases IAP to my UWP app but when testing the process, it crashes the app but only once a purchase has been approved via the test dialog that's displayed when calling: await CurrentAppSimulator.RequestProductPurchaseAsync( IAPs.CoreFeatures, false); Here is the full function that's contained in [...] read more

AppCertificationKit complains about exception that isn't thrown in debug mode

My UWP app doesn't pass the local app certification kit tests as the kit reports that there it throws an exception. I've checked the Windows Application Protocol and it reports an exception in Windows.UI.Xaml.dll with the code 0xc000027b at offset 0x6fce8b. Unfortunately I have no clue what the problem actually [...] read more

Windows Phone crashes in Release

I have made a Windows Phone application with Xamarin and Mvvmcross. When debugging the application it works perfectly. So the application was uploaded to the app store. but when the application got downloaded and run from the store it shut down immidiately after the icon gets clicked. So now i [...] read more

Parsing downloaded JSON file from github in c# uwp

This is what I downloaded from GitHub: https://gist.githubusercontent.com/Keeguon/2310008/raw/bdc2ce1c1e3f28f9cab5b4393c7549f38361be4e/countries.json and https://raw.githubusercontent.com/dominictarr/random-name/master/first-names.json I have two textblocks in my application and I want to check whether the Country name and First name entered exists in the list or not. I want the application to be offline so I downloaded those files. Really new [...] read more

Failed to assign to property 'Windows.UI.Xaml.Controls.ContentPresenter.Content'

I am developing a Windows Store app using the new universal app stuff (I am not including a phone project currently). Intermittently at run time I get a Windows.UI.Xaml.Markup.XamlParseException with the message Failed to assign to property 'Windows.UI.Xaml.Controls.ContentPresenter.Content'. The key here is this is intermittent, I can run the app [...] read more

Windows 8.1 universal app crashes on Windows 10

My app is already published in the Store, it was built on Windows 8.1 and it perfectly works on 8.1 (desktop and tablet). However it crashes on Windows 10 just after I navigate from page that has a WebView control (though this might not be the reason). I looked at [...] read more

Windows Phone 8.1 throws a FileLoadException on startup

I'm currently building a Windows Phone 8.1 App (WinRT). I can build it in Debug Mode in Visual Studio 2013 without any problems. It is also runs in the emulator and on a real device. But when I build the app in Release mode it crashes instantly on both the [...] read more

Visual Studio 2013 Update 4 ,Getting error: [2268] Designer process terminated unexpectedly

Suddenly I am getting these error with VS 2013 Update 4, and not able to run or create any windows store application please help, whenever i try to open MainWindow.xaml file i get this error, below log is from event viewer. Solution i tried: 1) cleaning "ShadowCache" folder 2) cleaning [...] read more

sideloaded windows 8 app crashing on Windows 8.1 and not installing on Windows 10

I am sideloading a dev package on windows 8.1 and on Windows 10. On Windows 8.1 The app crashes as soon as it launches > Faulting application name: XXXX.exe, version: 1.0.0.0, time stamp: 0x54bd196d > Faulting module name: twinapi.appcore.dll, version: 6.4.9879.0, time stamp: > 0x54585458 Exception code: 0xc000027b Fault offset: [...] read more

Windows Store app crash when adding Bing maps to the page

I created new Universal app (Hub Template) on my VS 2013, and followed this article about adding Bing maps to my app: http://msdn.microsoft.com/en-us/library/hh855146.aspx my xaml: <Page x:Name="pageRoot" x:Class="HubApp1.HubPage" DataContext="{Binding DefaultViewModel, RelativeSource={RelativeSource Self}}" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:HubApp1" xmlns:data="using:HubApp1.Data" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:bm="using:Bing.Maps" mc:Ignorable="d"> <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> <bm:Map x:Name="myMap" Credentials="MY_SHARD_KEY" ></bm:Map> </Grid> the app [...] read more