I recently burned some files on a DVD-R using a computer running on windows vista and when I tried to open it from an XP computer it detected the DVD as a Blank DVD. When I tried to open it again on a vista computer, It was okay. The DVD could be detected and opened...no problems at all. Can someone help me figure out how to get it to open on my XP computer. Is there a software I need to do this? Thanks alot!!