This article contains an update that resolves issues that may affect some Windows Vista-based computers. These issues have been reported by customers who use the Error Reporting service or Microsoft Customer Support Services.
This update improves the performance, responsiveness, and reliability of Windows Vista in various scenarios. For example, this update includes the following improvements on a Windows Vista-based computer:
This update improves the reliability of certain portable computers when you resume the computers from sleep by opening the lid.
This update improves the reliability of updates that are installed in the system, and it addresses error code 0x8007000b.
This update addresses some crash situations that occur when the computer is running media playback programs that use several popular codecs.
How to obtain this update
This update is available from the following Windows Update Web site:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
No prerequisites are required.
You must restart the computer after you apply this update.
Update replacement information
This update does not replace any other updates.
The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Some users may be unable to use Windows Explorer to eject removable media after they manually apply this update from the Microsoft Download Center. However, only some users experience this issue. To resolve this known issue, apply hotfix 941673. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
941673 After you add the CopyFileBufferedSynchronousIo registry entry in Windows Vista, a file copies only slightly more quickly when you use Windows Explorer to copy the file to another computer
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates