Hi all! I am very new here & in fact a new mac user having just gotten this macbook on Saturday. I have been trying to download movies all weekend. When I get 1% downloaded, I ask it to preview so I can see that it's what I want and of good quality. My problem is that it opens quicktime and shows me no picture or sound, but the little timing bar runs across the bottom of the screen like everything is fine. Sometimes I get a message telling me I need new software for quicktime. I've downloaded Divx, it hasn't done anything. I also asked it to look for new updates & it didn't have any. No one seems to have any answers at all for me, so I thought I'd try here. BTW, all the movies I have tried to download (a total of 3) have been avi format. Thanks for any suggestions! ~Lisa