If you did have a beta or RC of either .NET or MVC 4 it should show up in the control with either (beta) or (RC) beside the name of the program. Just to be sure, can you send us a screenshot similar to the one I've attached?
If you find that you have a pre-release version of .NET on your machine, I've included a link to the download for the official release.
.NET Framework 4.5
If TeamPulse is being installed on a machine used for development, you can use the download link below to update ASP.NET MVC to the latest official release to ensure that there are no conflicts with any existing installed version of MVC.
ASP.NET MVC 4
the Telerik team