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Consider the following scenario:
You have a Windows Vista-based computer that has Windows Media Center TV Pack installed.
The computer has multiple graphics adapters and has multiple monitors connected.
You play a DVD or a TV program in Windows Media Center.
You start Windows Media Center in a secondary monitor, or you move it to a secondary monitor while the video is playing.
In this scenario, the video that is displayed on the second monitor may appear garbled. This problem occurs only on computers that have certain graphics hardware installed.
This issue occurs because the content protection functionality of certain graphics hardware may be unable to determine which graphics processing unit is being used.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
To apply this hotfix, you must have the following prerequisites installed on the computer:
Windows Media Center TV Pack
Windows Vista Service Pack 1
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack
To avoid restarting the computer, make sure that Windows Media Center and other multimedia applications are not running while you are applying the hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
The English version of this hotfix 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.
Windows Vista file information notes
The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
Windows Vista SP1 and Windows Server 2008 SP1
The MANIFEST files (.manifest) and MUM files (.mum) installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.
For all supported x86-based versions Windows Vista
For all supported x64-based versions of Windows Vista
Additional file information for Windows Server 2008
Additional files for all supported x86-based versions of Windows Vista