FIX: When you use an application to play DRM-protected video content in Windows XP, the application may fail

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Article ID: 939209 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You are playing Digital Rights Management (DRM)-protected video content in Windows XP.
  • The content was protected by using the Microsoft Windows Media Rights Manager Software Development Kit (SDK).
  • You have DirectX video acceleration (DXVA) turned on.
  • The application that you are using to play the content uses DirectX for video playback.
In this scenario, the application may fail.

Note This problem does not occur if you use the following applications to play the DRM-protected content:
  • Microsoft Windows Media Player
  • An application that was written by using the Windows Media Format SDK

CAUSE

This problem occurs because of the way the Windows Media DirectShow QASF filter handles content that is both interlaced and protected.

RESOLUTION

Hotfix information

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.

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, submit a request to 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:
http://support.microsoft.com/contactus/?ws=support
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.

Download information

The following files are available for download from the Microsoft Download Center:

Windows XP, x86-based versions (all languages)

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Download
Download the WindowsMedia11-KB939209-x86-INTL.exe package now.

Windows XP, x64-based versions (all languages)

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Download
Download the WindowsMedia11-KB939209-x64-INTL.exe package now.

Note This hotfix does not have an x64-based version for Windows XP. The WindowsMedia11-KB939209-x64-INTL.exe package applies the 32-bit version of this hotfix on the x64-based version of Windows XP.

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.

The global 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.
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File nameFile versionFile sizeDateTimePlatform
Qasf.dll11.0.5721.5233211,45620-Jun-200723:54x86

STATUS

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

Properties

Article ID: 939209 - Last Review: August 21, 2007 - Revision: 1.2
APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbbug kbhotfixserver kbqfe kbfix KB939209

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