I also am having the same problem. I have tried ripping to hard drive and then running Clone DVD, to no avail. I have tried using Clone DVD without ripping to hard drive, to no avail. I have ripped to hard drive and then used DVD ReBuilder Pro, that did not work. I have burned several Discs using Nero and Ashampoo Burning software and none will play in DVD player or computer. The strange thing is I get no error messages on any of the operations. I purchased my DVD at Walmart, anyone else? I did get one disc to play using KM Player. Ill post log but as I said I get no errors.