Originally posted by bullet1968 Have you got Nero Scar???? I find it plays almost anything. If I have had trouble with audio or its been dubbed etc etc I have used SolveigMM AVI Trimmer, you can see what audio is in there etc and play with it. cheers bullet Thanks again for the suggestion, this wont open any of the files either. I downloaded them again just incase I ha introduced some errors during the first download. Anybody else able to use these tutorials under Win 7 - 64bit? Cheers