someone tell me what this means !!!!

[f355]

The CODEC required to decompress 'C:\Documents and Settings\user\Desktop\downloads\tranx\danny slade 2.mp3' could not be opened.

This is what I get when I try to convert .ra file to MP3 or wave
What can I get to stop this.

[Spoon]

Shouldn't it say:

The CODEC required to decompress 'C:\Documents and Settings\user\Desktop\downloads\tranx\danny slade 2.ra' could not be opened.

?