title: installing MVC 3 with visual studio 2010
body: <p>I want to install MVC 3 with visual studio 2010. I am using "Web plateform installer" and selected asp.net MVC 3, it showed message that MVC 3 installed successfully but It is not installed. I tried to launch Web plateform installer from asp.net/mvc3 but still same issue. I downloaded offline installer from:</p>
  
  <p><a href="http://www.microsoft.com/download/en/details.aspx?displaylang=en&amp;id=1491" rel="nofollow">http://www.microsoft.com/download/en/details.aspx?displaylang=en&amp;id=1491</a></p>
  
  <p>AspNetMVC3ToolsUpdateSetup.exe  21.6 MB</p>
  
  <p>but it starts installing and then rolls back. Any suggestion please ?</p>
  
  <p>Thanks</p>