first, this would probally go under the software help forum.
second, i believe you are going to have to change codecs. if im not mistaken, ur problally using something like radian. try downloading and installing divx. then try exporting to it. see if that helps.
Computer games don't affect kids. I mean, if Pac Man affected us as kids, we'd all run around in a darkened room, munching pills, and listening to repetitive music~Kristian Wilson, CEO, Nintendo Gaming Corporation