http://blogs.msdn.com/quanto/archive/2005/06/29/434136.aspxI've seen a few failures with MSXML6 on machines with Beta 1 bits on it which weren't fully cleaned up. If you run into this, first, try using the Beta Clean up tool at: http://go.microsoft.com/fwlink/?linkid=47065 If you're still encountering the issue,en-USCommunityServer 2.1 SP1 (Build: 61025.2)