I'm using PowerDVD 2.55 . I have no idea why this is happening, I think it is actually my DVD-ROM choking from malfunction b/c my system isn't slow. Right now my system is underclocked (damn motherboard) at 466MHz (pentium 3), but I have 256MB RAM, 64MB DDR ATI Radeon and a 16X DVD-ROM so as I said, I doubt my system is too slow to keep up... perhaps even it's PowerDVD? Right now I don't have anything else to test it by, but I will check it out once I finish d/ling 3.0 . BTW, this only started happening yesterday and PowerDVD 2.55 always seemed to work fine. On all dvd's, it goes into skip frenzies every couple minutes or so, making the movie experience OH so unenjoyable!