The 'Provider Package' did not load correctly

Question

VS 2013 Professional - Version 12.0.31101.00 Update 4

All of a sudden, whenever I try to open a project (MVC project or Python project), I get:

Answer 1

I can't leave a comment on Murat Yıldız's answer so this is the next best thing. His solutions works great. I opened the Visual Studio Command Prompt as an administrator and ran from the command prompt:

C:\WINDOWS\system32>devenv /resetskippkgs

It worked like a charm.