Windows error 0x8027025B, -2144927141

Permissions Hosting .NET Core out-of-process with files on a network drive

I have a new .NET Core API which is targeting full .Net framework so is being hosted out of process in IIS. This is working fine locally in Visual Studio, also good in a test environment using IIS, however deploying to production this is not working. The difference I can [...] read more

XAML designer in WIndows 10 on visual studio community 2015 does not load

I am stuck with this from past two days and have tried everything advised on google. Here is what all I have already done.. 1.change the target version of solution from 10586 to 10240 and vice versa. 2. Update the windows 10 with all possible updates 3. Update visual studio [...] read more

Visual Studio XAML Designer Error

Today I decided to check out the Universal Windows Platform and see how it differs from WPF, but I ran into a problem. When I open the MainPage.xaml file, the designer doesn't load and shows me this: error message [https://i.stack.imgur.com/LqpD2.png] I did not change anything in the project since it's [...] read more

Visual studio 2015 problems with UWP debbuger and Designer

I'm new to Universal Windows Platform, and look like I've messed something up, probably with App.g.i.cs file. Designer isn't working throws something like this: System.Runtime.InteropServices.COMException The app didn't start. (Exception from HRESULT: 0x8027025B) at Microsoft.VisualStudio.DesignTools.HostUtility.AppPackage.AppPackageNativeMethods.IApplicationActivationManager.ActivateApplication(String appUserModelId, String activationContext, ActivateOptions options, Int32& processId) at Microsoft.VisualStudio.DesignTools.HostUtility.AppPackage.DesignerWrtUtility.ActivateApplication(String appUserModelId, String activationContext, Object site, Boolean [...] read more

Visual Studio 2015 Designer Crashes in all Win10 UAP projects ("The app didn't start.")

The xaml visual designer crashes for all WIN10 UWP projects, including ones created from the standard template with no code added. I don't know when it started because I thought it was a problem with my project until I tried creating some new ones. The error is given below and [...] read more

Can't run Qt application under UWP kit

My app is Qt Quick Controls 2 based app. Qt 5.7.1, Windows 10, Visual Studio 2015. Desktop 32bit version works fine. But when I switch to Qt 5.7.1 for Universal Windows Platform 32bit kit, it fails to run with the following error: winrtrunner --device 0 --start --stop --install --wait 0 [...] read more

Xaml Designer not loading

today i've installed Visual Studio Community 2015 with Update 1 and when it try to load the Xaml Designer (even of a new project) it throws an exception: > An unhandled exception has occured > > System.Runtime.InteropServices.COMException The app did not start. (Exception > from HRESULT: 0x8027025B) > > at [...] read more