VS2013 - Operation Could Not Be Completed

Question

After installing Visual Studio 2013 and playing around with some of the new features, I noticed I\'m unable to open a cshtml file in one of my MVC projects. If I try openin

Answer 1

That worked for me for VS 2015 (command prompt as Admin):

cd C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE
devenv.exe /resetuserdata