If you have experienced crashes in Visual Studio when opening view pages in design view or have had problems installing MVC, there is an update that may help resolve the issue:

https://connect.microsoft.com/VisualStudio/Downloads/DownloadDetails.aspx?DownloadID=16827&wa=wsignin1.0

This is actually an update to the CLR (.NET Framework)

Please be sure to get the package that matches your system x64 or x86.

As a side-note, ASP.NET MVC just released RC2 which is mostly updates to the install experience.  You can download that here.