Thanks for your reply.
I have upgraded to 2,5,5 and apparently I have the most recent firmware. I really don't want to open the computer up as I'm afraid that I will screw it up.
Here is the log for the most recent burn attempt.
I 10:11:12 Image Size: 734,756,864 bytes
I 10:11:12 Image Sectors: 358,768
I 10:11:12 Operation Successfully Completed! - Duration: 00:00:00
I 10:11:25 Operation Started!
I 10:11:25 Device: [2:0:0] PIONEER DVD-RW DVR-116 1.09 (J:) (ATA)
I 10:11:25 Media Type: DVD-RW (Speeds: 2x, 4x)
I 10:11:25 Quick Erase: Yes
I 10:11:25 Erasing Disc...
W 10:15:08 Potential 'WaitImmediateIO' Deferred Error - (99%, 0/2) - Unknown (Internal Target Failure) (ASC: 0x44, ASCQ: 0xD9)
E 10:15:08 Failed to Erase Disc! - Reason: Unknown (Internal Target Failure) (ASC: 0x44, ASCQ: 0xD9)
Does this mean that I will need a new DVD drive??