Need help with IMGBurn

okay, so ive been trying for weeks now to backup my games. i have the .img and .iso files saved on my cp.
I have a memorex 8x DVD r Dl discs
(i realize that it might be a medaia faliue but i wanna be sure first)

I have a poineer drvie so i cant edit the book type

when i run it it get to like 14% complete then i get an error
heres the log

I 22:29:07 ImgBurn Version 2.5.0.0 started!
I 22:29:07 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7600)
I 22:29:07 Total Physical Memory: 8,387,112 KB - Available: 6,535,800 KB
I 22:29:07 Initialising SPTI...
I 22:29:07 Searching for SCSI / ATAPI devices...
I 22:29:08 Found 1 DVD±RW!
I 22:31:27 Operation Started!
I 22:31:27 Source File: C:\Users\Kyle\Downloads\Saints.Row.2.PAL.MULTI5.XBOX360-MegaWare\GAme\alw-saintsrow2.dvd
I 22:31:27 Source File Sectors: 3,697,696 (MODE1/2048)
I 22:31:27 Source File Size: 7,572,881,408 bytes
I 22:31:27 Source File Volume Identifier: XGD2DVD_NTSC
I 22:31:27 Source File Volume Set Identifier: 34672923
I 22:31:27 Source File Implementation Identifier: Sonic Scenarist 3.1
I 22:31:27 Source File File System(s): ISO9660, UDF (1.02)
I 22:31:27 Destination Device: [0:0:0] PIONEER DVD-RW DVR-116D 1.08 (E (ATA)
I 22:31:27 Destination Media Type: DVD+R DL (Disc ID: RITEK-S04-66) (Speeds: 2.4x, 4x, 6x, 8x)
I 22:31:27 Destination Media Sectors: 4,173,824
I 22:31:27 Write Mode: DVD
I 22:31:27 Write Type: DAO
I 22:31:27 Write Speed: 2x
I 22:31:27 Link Size: Auto
I 22:31:27 Lock Volume: Yes
I 22:31:27 Test Mode: No
I 22:31:27 OPC: No
I 22:31:27 BURN-Proof: Enabled
W 22:31:28 Write Speed Miscompare! - Wanted: 2,770 KB/s (2x), Got: 3,324 KB/s (2.4x)
I 22:31:28 Advanced Settings - Optimal Writing Speed: No
I 22:31:28 Optimal L0 Data Zone Capacity: 1,913,760
I 22:31:28 Optimal L0 Data Zone Method: Copied From Original Disc
I 22:31:49 Set L0 Data Zone Capacity Succeeded!
I 22:31:49 Filling Buffer... (40 MB)
I 22:31:50 Writing LeadIn...
I 22:31:51 Writing Session 1 of 1... (1 Track, LBA: 0 - 3697695)
I 22:31:51 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3697695)
I 22:31:51 Writing Layer 0... (LBA: 0 - 1913759)
W 22:37:14 Failed to Write Sectors 506048 - 506079 - Reason: Write Error
W 22:37:14 Retrying (1 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (2 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (3 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (4 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (5 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (6 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (7 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (8 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (9 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (10 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (11 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (12 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (13 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (14 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (15 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (16 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (17 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (18 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (19 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
W 22:37:16 Retrying (20 of 20)...
W 22:37:16 Retry Failed - Reason: Invalid Address For Write
E 23:19:21 Failed to Write Sectors 506048 - 506079 - Reason: Write Error
E 23:19:21 Next Writable Address: 505344
I 23:19:21 Synchronising Cache...
W 23:19:30 User opted to skip the 'Close Track/Session/Disc' functions.
E 23:19:30 Failed to Write Image!
I 23:19:30 Exporting Graph Data...
I 23:19:30 Graph Data File: C:\Users\Kyle\AppData\Roaming\ImgBurn\Graph Data Files\PIONEER_DVD-RW_DVR-116D_1.08_SATURDAY-OCTOBER-24-2009_10-31_PM_RITEK-S04-66_2x.ibg
I 23:19:30 Export Successfully Completed!
E 23:19:30 Operation Failed! - Duration: 00:48:02
I 23:19:30 Average Write Rate: 355 KB/s (0.3x) - Maximum Write Rate: 3,374 KB/s (2.4x)