I have an HP 640c dual layer burner and always use Verbatim media for both single and dual layer applications. I have made numerous 1:1 dual layer copies using DVD Decrypter. I have ripped the whole Deja Vu image to my harddrive like usual. I then put my bland dvd+r dl in the drive and it will burn to %50 and lock up, creating a useless coaster. Like I said, I haven't had problems before like this. I backed up Night at the Museum compressed on a single layer disc with Shrink and Decrypter and it burns just fine. I am guessing the error is happening when the drive trys to burn to the second layer? Please help me with a starting point for fixing this problem!!!!!!