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

Answer 2

Like most people here have mentioned, review your web.config file for duplicates. I was in a rush, just copied and pasted appSettings from another solutions without noticing the section existed already in the existing document. Then issue this thread relates to started to surface. I went back and consolidated the appSettings, saved, and the issue ceased to exist.

Answer 3

Check for errors in your web.config file:

• duplicate keys (app settings)
• tags not closed or used multiple times
• ...

Answer 4

For me this error was resolved by setting the VS 2013 shortcut to "run as administrator".