An application that uses the WMV codec cannot play back content that is encoded in the MBR format

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Article ID: 973442 - View products that this article applies to.
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Symptoms

On a computer that is running Windows Vista or Windows XP with Windows Media Player 11, an application that uses the Windows Media Video (WMV) codec cannot play back content that is encoded in the Multiple Bit Rate (MBR) format.

This issue occurs if the content has protection from the Windows Media Digital Rights Management (WMDRM) and is encoded in the Multiple Bit Rate (MBR) format. When the MBR content is played back, only the sound is played. However, no image is displayed.

Note This issue also occurs in Windows Server 2008.

Cause

This issue occurs because of an error in the WMV codec.

Resolution

Hotfix information

The following files are available for download from the Microsoft Download Center:
Hotfix for Windows Vista and Windows Server 2008, x86-based versions
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Download
Download the hotfix 973442 package now.
Hotfix for Windows Vista and Windows Server 2008, x64-based versions
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Download
Download the hotfix 973442 package now.
Hotfix for Windows XP, x86-based versions
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Download
Download the hotfix 973442 package now.
Release Date: August 12

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.

Prerequisites

To apply this hotfix, your computer must be running one of the following operating systems:
  • Windows XP
  • Windows Vista
  • Windows Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)

Notes
  • To install this hotfix on a computer that is running Windows Server 2008, you must install the Desktop experience feature on the computer.
  • To install this hotfix on a computer that is running Windows XP, you must install Windows Media Player 11 the computer.

Restart requirement

You must restart the computer after you apply this hotfix.

Registry information

You do not have to make any change to the registry.

File information

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 and Windows Server 2008 file information note

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately . MUM and MANIFEST files, and the associated security catalog (.cat) files, are important 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 of Windows Vista and Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime
Wmvdecod.dll11.0.6000.65111,548,28827-Jul-200915:09x86
Wmvdecod.dll11.0.6001.71141,547,77627-Jul-200915:50x86
Wmvdecod.dll11.0.6002.221841,547,77627-Jul-200915:00x86
For all supported x64-based versions of Windows Vista and Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Wmvdecod.dll11.0.6000.65111,699,84027-Jul-200915:43x64
Wmvdecod.dll11.0.6001.71141,701,88827-Jul-200915:36x64
Wmvdecod.dll11.0.6002.221841,701,88827-Jul-200915:09x64
For all supported x86-based versions of Windows XP
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime
Wmvdecod.dll11.0.5721.52681,543,68014-Jul-200917:08x86

Status

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

More information

For more information about WMDRM, visit the following Microsoft Web site:
http://www.microsoft.com/windows/windowsmedia/forpros/drm/default.mspx
For more information, 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

Additional file information for Windows Vista and Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and Windows Server 2008
Collapse this tableExpand this table
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Date (UTC)28-Jul-2009
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Additional files for all supported x64-based versions of Windows Vista and Windows Server 2008
Collapse this tableExpand this table
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Properties

Article ID: 973442 - Last Review: April 23, 2013 - Revision: 3.0
Applies to
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbexpertisebeginner kbfix kbsurveynew kbqfe KB973442

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