Uninstall and reinstall the DVD player software.
I'm having and odd problem My cd-dvd drive just decided its not gonna play dvd's anymore it will read them but will not play it acknowledge that a DVD is in it and it just started doing it
if i try and play it what ever program it wants to use says "error has occured" and closes and asks to send the error report or w/.e well i have tried windows media player, cyber link power dvd, quick time, real player, ect ect it does it on all of them
But my computer has no problem playing PC DVD video games =/
and it has played dvds in the past and its not the disk iv tryed many dvd's even if it was the disk it wouldn't make the whole program shut down