I am having trouble with DVD playback in my SONY DVD player after using WinDVD Creator 2 to make a DVD movie. I also burned the same move using Nero's DVD authoring tool and it played fine in the player. I am using a Sony Desktop with a Sony DRU-540 burner and using DVD-R discs. The DVD plays fine on my computer using the WinDVD software. However, my home DVD player gives me the message "C:13 Disc is dirty." Can anyone suggest a reason for this problem?? Is there a fix to be downloaded??