Hi I have successfully been using the above programs to copy loads of dvds (for personal use of course!) and had no trouble. The odd CRC error but cleaned or replaced discs and no problems. BUT I am trying to copy a DVD that, although bought as new, it is a cheap video company and is basically a verbatim 4x disc shoved through a disc printer. No matter what I do I get a CRC on the exact place/folder every time, the disc is immaculate etc. Firstly, ANY IDEAS? Secondly, I have a theory that nero somehow can tell if it is a copy you are copying? Recently tried to copy one of my perfect working copies and it gives constant CRC and their the best discs I can buy round here quality wise?!!! Comments from those who know please?