Movie discs, be they SD-DVD, Blu-ray, or UHD, have many advantages:  Superior picture quality and access to the best audio tracks, for example.  They are also permanent:  Not subject to the temporary nature of Studio content licensing contracts, which can leave you in the lurch when the “streaming” content you thought you had "purchased" suddenly stops being available!

But that doesn't mean discs are entirely free of annoyances!  And right at the top of most anybody's list of complaints would be that most movie and TV show discs try to FORCE you to watch commercials before you get to see your show!

In this post we will discuss the mysterious and frustrating world of Prohibited User Operations (PUOs, or sometimes, confusingly, UOPs).