Get Help & Advice on Installing & Using Karaoke Software by Power Karaoke

I run Windows XP and have been running the PowerKaraoke (Player Recorder) for a couple of months with no trouble. Now all of a sudden, when I go to rehearse, approximately 1:30 into any given song, it'll skip back approximately 20 seconds and continue to do it. If I move it forward, it'll skip back ...