Microsoft has released reliability and performance updates for Windows Vista
Update for Windows Vista (KB938194)
Download for 64-bit
Update for Windows Vista (KB938979)
Update for Windows Vista (KB938194)
This is a reliability update. Install this update to improve the reliability of Windows Vista in certain scenarios. Additional information about this update can be found in KB Article 938194. After you install this item, you may have to restart your computer.Download for 32-bit
This update is provided to you and licensed under the Windows Vista License Terms.
Download for 64-bit
Update for Windows Vista (KB938979)