CODEWITHSUNDEEP
wpfdebuggingvisual-studio-2015win-universal-app
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Reputation: 312

Visual Studio 2015 Update 3: "The 'XamlDiagnosticsPackage' package did not load correctly" when going to debug a WPF or Universal App

constantly followed by Visual Studio crash ('Microsoft Visual Studio 2015 has stopped working....'):

failed to load stopped working

No way to debug any WPF or Universal app at all.

Repairing Visual Studio does not help (tried twice).

Upvotes: 1

Views: 646

Answers (1)

scale_tone
scale_tone

Reputation: 312

Reading C:\Users[user]\AppData\Roaming\Microsoft\VisualStudio\14.0\ActivityLog.xml showed, that "Could not load file or assembly Microsoft.VisualStudio.DesignTools.Utility, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a or one of its dependencies. The system cannot find the file specified".

Searching for Microsoft.VisualStudio.DesignTools.Utility.dll produced no results - that DLL appeared to be simply missing on my laptop.

The crash problem solved by copying the whole contents of C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\PrivateAssemblies from another (stable) machine. At least, I'm now able to debug!

Upvotes: 1

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