Are you sure that you installed the full app, or maybe just the update? suggest you go to your original OS X installation disk and extract and install DVD Player from it with the shareware Pacifist (analogous to TomeViewer in OS 9). THEN use the 3.1.1 updater. Anyway, that was MY experience, and nos my DVD Player works. YMMV, Steve At 9:03 PM -0700 5/3/03, Lavode wrote: > I got Apple DVD Player to work on OS 9, but OS X DVD Player won't >launch. I have installed version 3.1.1 from Apple.