I'm getting the classic 'mvc4 installer is incompatible with .net 4.5' that many others have gotten except I do not have .Net 4.5 installed on this machine. MVC3 projects getting created just fine. I get this error when running the Web Installer for MVC4 Beta. System setup is VS2010 SP1, Windows 7 64-bit, Resharper is installed as well I am at a loss here and now seem to be just wasting time trying to fix this.