VS 2013 giving The operation could not be completed. Invalid pointer on Razor views

Question

I installed VS 2015 version on my system. I already had Visual studio 2013 update 4 installed on my machine. But now, whenever I try to open any cshtml ( razor view) in VS 2013,

Answer 1

try

• reopening solution
• renaming the solution file (.sln) to something else
• deleting of "ProjectExtensions"