RM recorder interferes with RealPlayer

I installed the trial version of RM Recorder for capturing RealAudio streams. I have the newest RealAudio Player (10, I think it is).

After capturing the first RA stream with RM recorder, the Real Audio player no longer can play streams on its own. I have to start RM Recorder and start streams though it before the Real Player will work.

If I reinstall Real Player it works fine, until I use RM recorder once. Then Real Player stops working on its own again!

Any suggestions?