DVD Player Problem

[Rambo87]

On my laptop I have a cd rw dvdrom combo drive. For some reason when I put a dvd in and go to a player wmp or intervideo the sound and video starts for maby a second and than theplayer will freeze. I don't know why it is doing this but it freezes up the whole program and sometimes the entire laptop. Any one might know whats up??

Media Wave Laptop
Intel 2.8
ATI Mobil 9700