Different problems, different threads, please.

TheOn3LeftBehind, try BearDiag and zip up it's report to post here as an attachment.

ca99999, if you're running into fakes, try this: Sticky: How to spot and avoid fake movie files.
If you have further questions start a new thread so I can keep track.
(You should get BearDiag too because it will update your hostiles list)