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Windows Media Player 12 does not play some AVI files that were created by a third-party and that include an AVI super index chunk correctly in Windows 7

Consider the following scenario. You use Windows Media Player 12 on a computer that is running Windows 7 to play some AVI files that were created by a third-party application or by third-party hardware. The AVI files include an AVI super index chunk. In this scenario, Windows Media Player 12 does not play the files correctly. Additionally, you receive an error message that resembles the following:

An internal error has occurred.
This issue occurs because Microsoft Media Foundation does not parse an index chunk in the AVI files correctly.

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 the problem described in this article. 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 website: 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 be running Windows 7 or Windows 7 Service Pack 1 (SP1).For more information about how to obtain a Windows 7 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 file information note
Important Windows 7 and Windows Server 2008 R2 updates are included in the same packages.
  • 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:
    VersionProductSR_LevelService branch
    6.1.760 0. 16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0. 21xxxWindows 7 and Windows Server 2008 R2RTMLDR
    6.1.760 1. 17xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.760 1. 21xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows 7" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
File nameFile versionFile sizeDateTime
For all supported x64-based versions of Windows 7
File nameFile versionFile sizeDateTimePlatform
To work around the issue, regenerate the AVI files so that every AVI standard index chunk contains more than one entry.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the AVIOLDINDEX structure, visit the following Microsoft MSDN website:For more information about software update terminology, 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

Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7
File nameX86_4959b454d516f88f44b5c4113058d3bb_31bf3856ad364e35_6.1.7601.21888_none_4e1f321e25c489a8.manifest
File versionNot applicable
File size703
Date (UTC)30-Dec-2011
Time (UTC)17:59
File nameX86_f598315cbe267704553358e9e487e97a_31bf3856ad364e35_6.1.7600.21117_none_ad27f1fc0e47f773.manifest
File versionNot applicable
File size703
Date (UTC)30-Dec-2011
Time (UTC)17:59
File nameX86_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7600.21117_none_9d0cb5b886f87101.manifest
File versionNot applicable
File size252,233
Date (UTC)30-Dec-2011
Time (UTC)05:59
File nameX86_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.21888_none_9ea88b7284568699.manifest
File versionNot applicable
File size265,911
Date (UTC)30-Dec-2011
Time (UTC)18:03
Additional files for all supported x64-based versions of Windows 7
File nameAmd64_38b3a76b5aa438c08da776d04748261c_31bf3856ad364e35_6.1.7601.21888_none_02fa035f1c6200c6.manifest
File versionNot applicable
File size1,056
Date (UTC)30-Dec-2011
Time (UTC)17:59
File nameAmd64_39064483349549a58af8d12accade4a0_31bf3856ad364e35_6.1.7600.21117_none_626ee23425241966.manifest
File versionNot applicable
File size1,056
Date (UTC)30-Dec-2011
Time (UTC)17:59
File nameAmd64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7600.21117_none_f92b513c3f55e237.manifest
File versionNot applicable
File size252,237
Date (UTC)30-Dec-2011
Time (UTC)07:10
File nameAmd64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.21888_none_fac726f63cb3f7cf.manifest
File versionNot applicable
File size265,915
Date (UTC)30-Dec-2011
Time (UTC)17:59
File nameWow64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7600.21117_none_037ffb8e73b6a432.manifest
File versionNot applicable
File size151,805
Date (UTC)30-Dec-2011
Time (UTC)05:49
File nameWow64_microsoft-windows-mediafoundation_31bf3856ad364e35_6.1.7601.21888_none_051bd1487114b9ca.manifest
File versionNot applicable
File size162,389
Date (UTC)30-Dec-2011
Time (UTC)17:59

Article ID: 2653030 - Last Review: 02/16/2012 08:08:00 - Revision: 1.0

Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate

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