Sorry for being a pain, i was looking for a firmware update for this drive but cannot find one.
I will let it burn fully and check disc info after.
Thank's for all your help. Really appreciate the time you take to help people out.
UPDATE: Left it to run and think i have got a successfull burn now.
I 14:32:58 ImgBurn Version 2.4.2.0 started!
I 14:32:58 Microsoft Windows Vista Home Premium Edition (6.0, Build 6000)
I 14:32:58 Total Physical Memory: 1,045,624 KB - Available: 462,528 KB
W 14:32:58 Drive D:\ (FAT32) does not support single files > 4 GB in size.
I 14:32:58 Initialising SPTI...
I 14:32:58 Searching for SCSI / ATAPI devices...
I 14:32:58 Found 1 DVD