I 22:21:50 DVD Decrypter Version 3.5.4.0 started!
I 22:21:50 Microsoft Windows XP Home Edition (5.1, Build 2600 : Service Pack 1)
I 22:21:50 Initialising SPTI...
I 22:21:50 Searching for SCSI / ATAPI devices...
I 22:21:51 Found 1 DVD±RW!
I 22:21:51 Operation Started!
I 22:21:51 Source File: C:\DOCUMENTS AND SETTINGS\GREG RIDDLE\DESKTOP\DVD WORK\PAY IT FORWARD FINISHED\PAY_IT_FORWARD_RIPPED.ISO
I 22:21:51 Source File Sectors: 2,232,605 (MODE1/2048)
I 22:21:51 Source File Size: 4,572,375,040 bytes
I 22:21:51 Source File Implementation Identifier: DVD Shrink
I 22:21:51 Destination Device: [1:0:0] SONY DVD RW DRU-720A JY03 (D:) (ATA)
I 22:21:52 Destination Media Type: DVD+R (Disc ID: CMC MAG-E01-00) (Speeds: 6x, 8x)
I 22:21:52 Destination Media Sectors: 2,295,104
I 22:21:52 Write Mode: DVD
I 22:21:52 Write Type: SAO
I 22:21:52 Write Speed: 4x
I 22:21:52 Link Size: Auto
I 22:21:52 Test Mode: No
I 22:21:52 BURN-Proof: Enabled
I 22:21:52 Filling Buffer...
I 22:21:56 Writing LeadIn...
I 22:22:54 Writing Image...
W 22:36:16 Failed to Write Sectors 683392 - 683423 - Write Error
W 22:36:16 Retrying (1 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (2 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (3 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (4 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (5 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (6 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (7 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (8 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
W 22:36:16 Retrying (9 of 20)...
W 22:36:16 Retry Failed - Invalid Address For Write
CMC mag isn't the best but usually works OK. It looks like things went south at around the 14 minute mark which should be near the end of the burn at 4X. However you indicated the burn failed at the 30% mark which means it was burning at considerably less than 4x. Bad or incompatible media is the most common cause. Try with different media, maybe rewriteable media, until the problem is identified for certain.
Were you burning using Decrypter itself or was this a burn by Decrypter initiated by using DVD Shrink?
