How do you handle this error-The app didn't start. (Exception from HRESULT: 0x8027025B)?

[jkrishnaswamy]

This error is spawned when the XAML designer fails to load in a UWP Blank Project in Visual Studio Community 2017 (versions 15.7.5, 15.7.6, 15.8.0).


This is the error message in the Designer pane:

System.Exception
The app didn't start. (Exception from HRESULT: 0x8027025B)
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.DesignTools.UwpSurfaceDesigner.SurfaceIsolation.UwpSurfaceProcess.<SafeCreateViewAsync>d__33.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.VisualStudio.DesignTools.UwpSurfaceDesigner.SurfaceIsolation.UwpSurfaceProcess.<SafeCreateViewAsync>d__33.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.DesignTools.UwpSurfaceDesigner.SurfaceIsolation.UwpSurfaceProcess.<Initialize>d__45.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)




Jayaram Krishnaswamy

Continue reading...