How to fix annoying connection error to TFS server 2010 RC

This issue has popped up for some after having upgraded from Team System Beta 2 to RC.  You have remembered to uninstall everything (as Jakob points out here: http://geekswithblogs.net/jakob/archive/2010/02/09/reember-to-uninstall-all-beta-2-stuff-before-upgrading-to.aspx but you still get the following error box: saying Could not load type ‘Microsoft.TeamFoundation.Client.TeamFoundationServerBase’ from assembly ‘Microsoft.TeamFoundation.Client, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’. At the same time, you see Continue Reading →