http://msmvps.com/blogs/redrain/archive/2008/07/01/vista-update-for-windows-vista-kb952709.aspxThis is a reliability update. This update resolves some performance and reliability issues in Windows Vista. By applying this update, you can achieve better performance and responsiveness in various scenarios. This update resolves issues that may affectenCommunityServer 2008.5 SP2 (Build: 40407.4157)