An application that uses version 7 of the Video Mixing Renderer may crash when you pause video in Windows Vista

An application that uses version 7 of the Video Mixing Renderer may crash when you pause video in Windows Vista

Article ID : 944325
Last Review : March 17, 2008
Revision : 1.0
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SYMPTOMS

In Windows Vista, when you pause video in an application that uses version 7 of the Video Mixing Renderer (VMR7), the application may crash.

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CAUSE

This problem occurs because a threading issue in the Windows Vista version of VMR7 may cause a deadlock.

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RESOLUTION

Update information

Windows Vista, 32-bit versions (all languages)

The following file is available for download from the Microsoft Download Center:

DownloadDownload the Windows6.0-KB944325-x86.msu package now. (http://download.microsoft.com/download/8/D/F/8DF673F4-46E6-4EE3-A7BA-CB02CC6EF65D/Windows6.0-KB944325-x86.msu)

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 (/Feedback.aspx?kbNumber=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.

Windows Vista, 64-bit versions (all languages)

The following file is available for download from the Microsoft Download Center:

DownloadDownload the Windows6.0-KB944325-x64.msu package now. (http://download.microsoft.com/download/8/D/F/8DF673F4-46E6-4EE3-A7BA-CB02CC6EF65D/Windows6.0-KB944325-x64.msu)

File information

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.

Windows Vista

File name File version File size Date Time Platform
Quartz.dll 6.6.6000.20775 1,327,104 19-Feb-2008 04:50 x86
Quartz.dll 6.6.6000.20775 1,586,688 19-Feb-2008 04:59 x64

Windows Vista Service Pack 1

File name File version File size Date Time Platform
Quartz.dll 6.6.6001.22117 1,314,816 19-Feb-2008 04:48 x86
Quartz.dll 6.6.6001.22117 1,571,328 19-Feb-2008 05:19 x64

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the Applies to section.

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MORE INFORMATION

Software developers can work around this problem by using version 9 of the Video Mixing Renderer (VMR9) or the Enhanced Video Renderer (EVR) to render video.

VRM7, VMR9, and EVR are different mechanisms for rendering video in Windows-based applications. This problem occurs only when video playback is paused. This problem does not occur when a complete video is played or when playback is stopped.

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APPLIES TO
• Windows Vista Home Basic
• Windows Vista Home Premium
• Windows Vista Ultimate
• Windows Vista Business
• Windows Vista Enterprise

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Keywords: 
kbfix KB944325

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