did that and still error..
I 13:49:28 ImgBurn Version 2.4.4.0 started!
I 13:49:28 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1)
I 13:49:28 Total Physical Memory: 1,963,848 KB - Available: 667,304 KB
I 13:49:28 Initialising SPTI...
I 13:49:28 Searching for SCSI / ATAPI devices...
I 13:49:29 Found 1 DVD