My computer only plays movie trailers on some DVD's, with backup software it only shows the movie trailers not the full movie. My computer has played and copied other DVD's just fine. As far as I can tell everything is up to date for software. I'm running a dell XPS 8500 with win 10 ,16gb memory and an Intel(R) Core(TM) i5-3450 CPU @ 3.10GHz.