Ahh so it isn't compatible with your processor? That's odd.
I looked it up and yeah, unfortunately Adobe stopped supporting Power PC processors (older macs) in 2010. So I guess you're stuck with bad video playback, I'm sorry. :(
well crap. Thanks for checking into it.
_______________________________________
It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.