There are three possible reasons why you received this error:

1. If you entered a pnm path in the Open Location dialog box, check that the path is correct.

2. If you are receiving this error when trying to play any file, have never been able to play files from the internet, and you are behind a firewall, check with your Network Administrator to be sure that you have setup your RealAudio (3.0 or earlier) or RealPlayer (4.0 or 5.0 ) Proxy correctly.

3. If you are receiving this error when trying to play any file, but have played files successfuly before, then the RealAudio (3.0 or earlier) or RealPlayer (4.0 or 5.0 ) Proxy Server is down. Notify your Network Administrator.