Hi, I want to burn a disc for XBOX 360, but I have a problem with double-layer discs on this DVD-ROM. Use ImgBurn and CloneCD. Record up to 50% and stops. I understand at this point to start writing the second layer. I upgraded the firmware on HLDS_GT30N_ASS2. There are no results. Like to change BookType DVDInfo, but this firmware does not allow it. Please help! DVD used different manufacturers including Verbatim DVD + R 8.5GB. Dual Layer. thanks

Then your source image or iso is probably corrupted.
Best is to post a logfile.