Hey, I went out to my truck and got my laptop. Here is the info on what I have ( I run XP Pro also).
WinDVD version 2.8 (WinDVD 2000)
Copyright 1999 by InterVideo Inc.
Also, go to
www.download.com and
www.zdnet.com and search for dvd decoders. I would think there might be some shareware ones out there.
Good Luck!