Yesterday I upgraded my dev laptop to VS 2010 RC. To upgrade to VS 2010 RC you need to first uninstall VS 2010 Beta 2 (which doesn’t really make it an upgrade does it? :-) I also hade an instance of TFS 2010 Beta 2 om my machine so I uninstalled that as well. The installation of VS 2010 went fine, and then I installed Team Explorer 2010 RC. However, when starting VS and switching to the team explorer, I got the following error: Could not load type 'Microsoft.TeamFoundation.C... ......