and here is the log:
I 13:22:08 ImgBurn Version 2.5.8.0 started!
I 13:22:08 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7601 : Service Pack 1)
I 13:22:08 Total Physical Memory: 2,056,564 KiB - Available: 1,292,028 KiB
I 13:22:08 Initialising SPTI...
I 13:22:08 Searching for SCSI / ATAPI devices...
I 13:22:09 -> Drive 1 - Info: Optiarc DVD+-RW AD-7585H KD03 (E:) (SATA)
I 13:22:09 Found 1 DVD±RW/RAM!
I 13:24:00 Operation Started!
I 13:24:00 Source File: C:\Users\xxx\Desktop\Jojo no Kimyou na Bouken - Phantom Blood (English v1.1).iso
I 13:24:00 Source File Sectors: 610,256 (MODE1/2048)
I 13:24:00 Source File Size: 1,249,804,288 bytes
I 13:24:01 Source File Volume Identifier: DVDVIDEO
I 13:24:01 Source File Volume Set Identifier: 0000<253SCEI
I 13:24:01 Source File Application Identifier: PLAYSTATION
I 13:24:01 Source File Implementation Identifier: DVD-ROM GENERATOR
I 13:24:01 Source File File System(s): ISO9660, UDF (1.02)
I 13:24:01 Destination Device: [1:0:0] Optiarc DVD+-RW AD-7585H KD03 (E:) (SATA)
I 13:24:01 Destination Media Type: DVD-R (Disc ID: RITEKF1)
I 13:24:01 Destination Media Supported Write Speeds: 2x, 4x, 6x, 8x
I 13:24:01 Destination Media Sectors: 2,297,888
I 13:24:01 Write Mode: DVD
I 13:24:01 Write Type: DAO
I 13:24:01 Write Speed: 4x
I 13:24:01 Link Size: Auto
I 13:24:01 Lock Volume: Yes
I 13:24:01 Test Mode: No
I 13:24:01 OPC: No
I 13:24:01 BURN-Proof: Enabled
I 13:24:03 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x)
I 13:24:04 Filling Buffer... (72 MiB)
I 13:24:05 Writing LeadIn...
I 13:25:14 Writing Session 1 of 1... (1 Track, LBA: 0 - 610255)
I 13:25:14 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 610255)
W 13:27:34 Failed to Write Sectors 66176 - 66207 - Reason: Write Error
W 13:27:34 Retrying (1 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (2 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (3 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (4 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (5 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (6 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (7 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (8 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (9 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (10 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (11 of 20)...
W 13:27:35 Retry Failed - Reason: Invalid Address For Write
W 13:27:35 Retrying (12 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (13 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (14 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (15 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (16 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (17 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (18 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (19 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
W 13:27:36 Retrying (20 of 20)...
W 13:27:36 Retry Failed - Reason: Invalid Address For Write
Do I need a new drive, or is it the disc's fault?