Microsoft KB Archive/235458

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

Article ID: 235458

Article Last Modified on 10/30/2003

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APPLIES TO


 * Microsoft Windows Media Services 4.0
 * Microsoft Windows Media Rights Manager 7.0

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This article was previously published under Q235458



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 that this is a problem in Microsoft Windows Media Services version 4.0.



MORE INFORMATION
The Windows Media Rights Manger is also affected. 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: kbbug kbpending KB235458

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