Err Msg: Unable to Process Selected Media File. A Required Audio Decompressor Is Not Installed (235458)


The information in this article applies to:

  • Microsoft Windows Media Services 4.0
  • Microsoft Windows Media Rights Manager 1.0
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
Modification Type:MajorLast Reviewed:10/30/2003
Keywords:kbbug kbpending KB235458
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