http://msmvps.com/blogs/paulomorgado/archive/2007/02/21/typemock-net-version-3-7-0-is-now-available.aspxTypeMock announced that Version 3.7.0 of Type.NET is now available. A few of the new features included in this release are: You can now mock mscorlib interfaces. Enterprise Edition only Vista support is now complete. You can fire Multiple instances ofenCommunityServer 2008.5 SP2 (Build: 40407.4157)