I have been burning DVD's without any problem for a few months now within the last week I get this:
I 06:14:27 ImgBurn Version 2.4.2.0 started!
I 06:14:27 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1)
I 06:14:27 Total Physical Memory: 2,086,588 KB - Available: 923,520 KB
I 06:14:27 Initialising SPTI...
I 06:14:27 Searching for SCSI / ATAPI devices...
I 06:14:27 Found 1 DVD