This is the log...it says ImgBurn cuz i happened to save to the log when using ImgBurn but its the same with DVDdecryptor...
I 18:04:49 ImgBurn Version 2.3.2.0 started!
I 18:04:49 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2)
I 18:04:49 Total Physical Memory: 2,096,620 KB - Available: 1,643,108 KB
I 18:04:49 Initialising SPTI...
I 18:04:49 Searching for SCSI / ATAPI devices...
I 18:04:49 Found 1 DVD-ROM and 1 DVD±RW/RAM!
I 18:06:12 Operation Started!
I 18:06:12 Source File Sectors: 3,697,696 (MODE1/2048)
I 18:06:12 Source File Size: 7,572,881,408 bytes
I 18:06:13 Source File Implementation Identifier: Daikin U.S. Comtec Lab
I 18:06:13 Source File File System(s): ISO9660, UDF (1.02)
I 18:06:13 Destination Device: [4:0:0] HL-DT-ST DVDRAM GSA-H42L SL00 (D

(SCSI)
I 18:06:13 Destination Media Type: DVD+R DL (Disc ID: MKM-003-00) (Speeds: 2.4x, 4x, 6x, 8x, 10x)
I 18:06:13 Destination Media Sectors: 4,173,824
I 18:06:13 Write Mode: DVD
I 18:06:13 Write Type: DAO
I 18:06:13 Write Speed: MAX
I 18:06:13 Link Size: Auto
I 18:06:13 Test Mode: No
I 18:06:13 BURN-Proof: Enabled
I 18:06:13 User Specified L0 Data Zone Capacity: 1,913,760
I 18:07:02 Filling Buffer... (40 MB)
I 18:07:04 Writing LeadIn...
I 18:07:08 Writing Image... (LBA: 0 - 3697695)
I 18:07:08 Writing Layer 0... (LBA: 0 - 1913759)
I 19:06:17 Abort Request Acknowledged
E 19:34:50 Failed to Write Sectors 1447648 - 1447679 - The request could not be performed because of an I/O device error.
I 19:34:54 Synchronising Cache...
I 19:34:55 Closing Track...
I 19:34:58 Finalising Disc...
E 19:40:35 Failed to Write Image!
E 19:40:41 Operation Aborted! - Duration: 01:34:22
I 19:40:41 Average Write Rate: 550 KB/s (0.4x) - Maximum Write Rate: 13,962 KB/s (10.1x)