See how to repair invalid DVD navigation and structure with FixVTS. With FixVTS, you can easily repair the internal structure of a DVD. This is good for DVD menu correction, invalid DVD file structure and invalid navigation error messages.
Check out the written instructions at DVD Repair Tips. You can also find the link for downloading Fix VTS.
FixVTS is a very tiny tool that allows you to adjust your DVD files into better DVD compliance, so they can be opened in DVDShrink, vobblanker or other DVD softwares. This is especially useful if your DVD had some kind of copy protection or recorded with a DVD Recorder that prevents DVDShrink, Vobblanker, etc from opening it. FixVTS can fix that for you. Development stopped.