Update. Finally got it sorted:) I was trying to backup Kevin & Perry go Large. I had used DVDdecrypter in ISO mode, mounted then tried Instantcopy which failed. When I tried another DVD successfull, it made me reexamine the original DVD. It had a content of a VIDEO_TS folder, and a web page. This web page, I think, was confusing Instantcopy. I found that if I ripped in file mode all was well. Bixx