Visual Studio 2013 crash with exception - exception was thrown by taskcheduler
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I couldn't even uninstall / repair Visual Studio. When I clicked on Visual Studio from Control Panel, even the uninstall wizard didn't appear.
Solution that worked for me: When I saw GAC_MSIL, many dlls were missing, then I copied System.dll, System.Core.dll and System.Reflection.dll to GAC_MSIL. After copying these dlls from Control Panel, uninstall wizard started and then I repaired VS 2013. Then it worked.
I also saw such a crash in one of my VMs, in this scenario I copied the above DLL and VS started working.
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