i have the same problem, plz help! here's my log..
I 18:33:38 ImgBurn Version 2.4.4.0 started!
I 18:33:38 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2)
I 18:33:38 Total Physical Memory: 1.965.228 KB - Available: 1.443.168 KB
W 18:33:39 AnyDVD can interfere with ImgBurn's ability to verify accurately, please ensure it's disabled!
I 18:33:39 Initialising SPTI...
I 18:33:39 Searching for SCSI / ATAPI devices...
E 18:33:39 Failed to check for ImgBurn update!
I 18:33:39 Found 1 DVD