Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
Microsoft has released an update for Media Center Extenders for Windows Vista. This update is intended for computers that are running Windows Vista Home Premium or Windows Vista Ultimate.
The issue that this update addresses
This update provides broader Media Center support for newer TV set-top boxes.
You can download this update from the Microsoft Windows Update Web site or from the Windows Download Center.
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.