This is my first time posting because I have never had a problem before with this great product. I am having the same problem. I am using Memorex 4x +R discs. The software runs up until it is time to write to blank dvd and then the software justs sits there and then my pc freezes and I have to hard reboot. I have been using Clone DVD since it has come out and this is the first time I have had any issues. Any ideas? Thanks!!