ok, here's the log:
I 15:58:25 ImgBurn Version 2.5.0.0 started!
I 15:58:25 Microsoft Windows Vista Home Basic Edition (6.0, Build 6002 : Service Pack 2)
I 15:58:25 Total Physical Memory: 2,087,592 KB - Available: 1,094,308 KB
W 15:58:25 SPTD can have a detrimental effect on drive performance.
I 15:58:25 Initialising SPTI...
I 15:58:25 Searching for SCSI / ATAPI devices...
I 15:58:26 Found 1 DVD-ROM/CD-RW and 1 BD-ROM/HD DVD-ROM!
that's it... =d
maybe I'll try it on a different computer?