Another thing I will try if it happens again. I think that actually would've been the fix. I was using Movie Maker, which allows "undo," which means that saving and closing would've freed up a lot of temporary memory hogging, I reckon. (It takes 15-20 minutes to save the project in a burnable / postable form, it was like 2:00 am, and I was sleepy - I was trying to do what I thought was the fastest at the time. Fail! Now I know a couple new tricks, so thank you.) Cool. Thank you for explaining that. Much better answers than I could get elsewhere.