Microsoft KB Archive/921140

= How to install the ISO MPEG-4 codec version 1.0 for Windows Media Player 10 =

Article ID: 921140

Article Last Modified on 8/2/2006

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APPLIES TO


 * Microsoft Windows Media Player 10

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INTRODUCTION
To play back files that are encoded by using the ISO MPEG-4 codec version 1.0, Microsoft Windows Media Player 10 requires that this codec is installed in the Mp4sdmod.dll file on the computer. However, the Mp4sdmod.dll file may not be present on the computer. This article describes how to install the ISO MPEG-4 codec version 1.0 in the Mp4sdmod.dll file.



MORE INFORMATION
When the ISO MPEG-4 codec version 1.1 was released, the ISO MPEG-4 codec version 1.0 was relocated to the Mp4sdmod.dll file. To play back files that are encoded by using the ISO MPEG-4 codec version 1.0, Windows Media Player 10 looks for the ISO MPEG-4 codec version 1.0 in the Mp4sdmod.dll file. However, the Mp4sdmod.dll file is not present unless you have Microsoft Windows XP Service Pack 2 (SP2) or the Codecs Installation Package for Windows Media Player 6.4 installed on the computer.

To install the ISO MPEG-4 codec version 1.0 in the Mp4sdmod.dll file, use one of the following methods:  Install Windows XP SP2 on the computer. To do this, visit one of the following Microsoft Web sites:  Windows XP Service Pack 2 Network Installation Package for IT Professionals and Developers

http://www.microsoft.com/downloads/details.aspx?FamilyID=049c9dbe-3b8e-4f30-8245-9e368d3cdb5a

 Windows Update

http://update.microsoft.com/windowsupdate

  Install the Codecs Installation Package for Windows Media Player 6.4 on the computer. To do this, visit the following Microsoft Web site:

http://www.microsoft.com/downloads/details.aspx?FamilyID=9be479f8-3b3f-491d-9284-2e1a8fae4584



Keywords: kbinfo kbtshoot kbhowto KB921140

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