first of all let me say hello to everyone. i am new to this forum. i am having a problem. i was able to decrypt i am legend. i opened power dvd 7 and select the source "open media files" and play the files from the stream folder. when powerdvd plays the movie the video jitters but the audio is fine. my computer has 3 gig of ram and i have a visiontek ati radeon hd2600 pro video card. am i doing something wrong. any suggestions would be appreciated.