i have backed up 4 disks today and on the 5th one i got this message.here is the log.
I 19:42:59 ImgBurn Version 2.4.2.0 started!
I 19:42:59 Microsoft Windows Vista Home Basic Edition (6.0, Build 6000)
I 19:42:59 Total Physical Memory: 514,816 KB - Available: 200,572 KB
I 19:42:59 Initialising SPTI...
I 19:42:59 Searching for SCSI / ATAPI devices...
I 19:43:09 Found 1 DVD