when i open up roxio and start to edit the video and music the video skips. or freezes. and when you chose the videos from the bottom of the screen to edit the pictures of the video itself is messed up. lines going through it to the point where you cant tell what video it is. hasnt always done this. got it about 3 weeks ago and havent had a problem till now. any suggestions? its the roxio 2011. my friend has a dell comp. 5gb.