Conflicting versions of ASP.NET Web Pages detected

Question

I just moved from php to asp.net. I\'m trying to deploy a very basic mvc 3 application to my hosting provider. After it deploys, I visit the website, and it displays:

Answer 1

I had this error in webmatrix, to solve it I had to go to settings and update ASP.NET web pages version from 1.0 to 2.0