I have watched this thread and am having a similar problem. I have a gateway q6600 6 gb ram 64 bit and am running Vegas Pro 8.1. It invariably locks up after importing from the dvd (in this case a sony camcorder minidvd). The files are always imported to the receiving folder, the problem occurs as they attempt to load. I have the same problem if I then import from that folder. I have been on the phone with Sony and gone through their procedure of uninstalling and reinstalling the program (september 2008 latest version} to no avail, same problem. I have another similar machine same configuration with 32 bit and have no problem. Any ideas? thanks