Windows 32bit Family XP RTM - 5.1.2600
XP SP1a - 1106
XP SP2 - 2180
Server 2003 RTM - 5.2.3790
Server 2003 SP1 - 1830
Server 2003 SP2 - 3959
Vista RTM - 6000.16386
Server 2008 Beta 3 - 6001.16510
Windows 64bit Family XP 64bit RTM - 5.2.3790.1830
XP 64bit SP2 - 3959
Server 2003 64bit RTM - 5.2.3790.1830
Server 2003 64bit SP2 - 3959
Vista 64bit RTM - 6000.16386
Server 2008 64bit Beta 3 - 6001.16510
Microsoft have released a couple updates on the Microsoft Download Center to resolve various issues in Windows Vista:
-KB943899(x86)(x64): This is a reliability update. This update resolves some performance and reliability issues in Windows Vista.
-KB943302(x86)(x64): Install this update to resolve a set of known application compatibility issues with Windows Vista.
Both updates are marked as preview releases. At the conclusion of this preview phase, the final version of the updates will be released via Windows Update. These updates are provided to you and licensed under the Windows Vista License Terms.