atm im using dvd -r disc to figure this out so i dont keep wasting dual layers.
i tried burning again at 4x in test mode and got the same problem. here is the log.
I 20:43:15 ImgBurn Version 2.4.2.0 started!
I 20:43:15 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 3)
I 20:43:15 Total Physical Memory: 1,047,856 KB - Available: 675,556 KB
I 20:43:15 Initialising SPTI...
I 20:43:15 Searching for SCSI / ATAPI devices...
I 20:43:15 Found 1 DVD