Asp.net MCV4 framework issue

Question

I made a web site using VS 2012 and MVC4, it is work my localhost but when i published and put my host it doesn\'t work. IIS confiurations are same. But it gives me this err

Answer 1

You have to update your application pool to .net 4.0 in IIS. It's probably set to 2.0 currently.