This patch modifies the DVD Player that ships with Mac OS X 10.3 (a.k.a. Panther) or 10.4 (a.k.a. Tiger) so that it always honors user action. This means, you will be able to fast forward even if the movie is trying to prevent you from doing so, forcing you to view boring ads for a minute or two.
Ever watched a foreign country movie with its original soundtrack and being forced to read a poor translation at the same time? You should be able to switch forced subtitles off. You will also be able to change the audio language on the fly. You might have heard about this with different words, such as DVD "User Prohibition", UOP, "User
Version 1.9 is for Mac OS X version 10.3 to 10.4.4 (incl. DVD Player 4.6.5).
Mac OS X 10.3 or later