Performance and Reliability Update for Windows Vistahttp://blogs.technet.com/rhalbheer/archive/2007/08/07/performance-and-reliability-update-for-windows-vista.aspxToday we released a Pre-SP1 update for Windows Vista to address some issues we experienced after the initially release of Windows Vista: KB938194: An update is available that improves the compatibility and reliability of Windows Vista KB938979: An updateen-USCommunityServer 2.1 SP1 (Build: 61025.2)