Every time I try to it takes a few hours to scan and in the log it keeps on repeating:
Scanning title 1 of 3...
[21:45:25] dvdnav: Read Error, Error reading NAV packet.

[21:45:25] dvdnav: Read Error, Error reading NAV packet.
[21:45:26] dvdnav: Read Error, Error reading NAV packet.
I have VLC on my computer and I am running Windows Vista 32-bit.