the thing is that i have tried to backup my dvd using dvd cloner 2, this however, kind of worked, but when i played the movie on my dvd player only half movie was able to be viewed for a 2 hour lenght movie, then, when checking up the extracted vob files, there were 4 of them, the first 2 are viewable in my pc using powerdvd, but the other 2 ones can't be played as a error message "format not compatible" appears. Question is, is there a way to repair these vob files ? and why that happened? the same thing is for all movies i tried to backup using dvd cloner 2. thanks a lot for your reading , and i hope you can help me... bye