[waitekaty]

My WM Recorder (http://all-streaming-media.com/record-video-stream/WMRecorder-One-click-online-audio-video-stream-recorder.htm) software will not automatically begin to record events on Justin TV.

I get a message about a file not being supported. Also in Media Player I get a message about file or codec not being supported. What can I do?

[Stream Recorder]

Are you referring to an error with Windows Media Player? If yes, you can try to install a codec that is needed or a codec pack like K-Lite Mega codec pack.