I have been rendering QT movies from VV for the last few days, and occasionally (not always) XP goes a little flakey when trying to play the MOV's. The movie will usually run a second or two and then stop. But, then my system gets REALLY sluggish. I try to close the QT window, but it won't respond. I also try to launch Taskmanager, but it takes about a minute or so to come up and when it does, it shows the processor (2.4G P4) running at 100%. I click on the only application running (QuickTime) and click end process. If I'm lucky it will shutdown with 10 minutes or so, if not I just have to press reset on my system, and re-boot.

This is a very stable workstation and I have been able to leave it running for weeks at a time without a single problem until I started to making QuickTime's.

Anyone else see this on their systems?