Err Msg: Unable to Process Selected Media File. A Required Audio Decompressor Is Not Installed

ID: Q235458

This article discusses a Beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.

No formal product support is available from Microsoft for this Beta product. For information about obtaining support for a Beta release, please see the documentation included with the Beta product files, or check the Web location from which you downloaded the release.
The information in this article applies to:

SYMPTOMS

When you select a .mp3 file as a source file for the Alpha version of the Windows Media Encoder and you attempt to convert it to .asf, the following error message occurs:

Unable to process selected media file. A required audio decompressor is not installed on this machine.


CAUSE

Although the FhG MPEG Layer-3 codec is not installed on the Alpha version of Windows Media Tools, the encoder still lists .mp3 as a possible input format for the tool.


STATUS

Microsoft has confirmed this to be a problem in Microsoft Windows Media Services version 4.0.


MORE INFORMATION

The Windows Media Rights Manger is also effected. When you try to encode a .mp3 file with the Rights Manager Packager, the following error message occurs in the log file:

Unable to process selected input file. A required audio decompressor is not installed on this machine. Input file : encoded.asf
Output file : afterchop.asf
Script file : script.txt
Error: The input file could not be found. Unexpected error opening input file. Err=0X80070002

Additional query words: netshow wms drm 


Keywords          : 
Version           : :4.0; winnt:1.0
Platform          : winnt 
Issue type        : kbbug

Last Reviewed: July 14, 1999