Microsoft.VisualStudio.Web.PasteJson.JsonPackage did not load properly

Question

I have visual studio express 2012 and it was working fine earlier I had run my solution once. But now when I do it, there appears a dialog box with the message!

Answer 1

I started to see this on the fresh windows & VS 2013 Ultimate with Update 2 installation.

To resolve the problem, close all Visual Studio instances head over to

C:\Users\\AppData\Local\Microsoft\VisualStudio\12.0\ComponentModelCache

and delete all the files in the folder.

It worked fine for me. Thanks to this article.