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

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Article ID: 921140 - View products that this article applies to.
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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:

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Article ID: 921140 - Last Review: August 2, 2006 - Revision: 1.0
APPLIES TO
  • Microsoft Windows Media Player 10
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