I am using Verbatim DL 2.4x discs. It burns the first layer just fine and then i get an I/O error at about 54% everytime on the second layer! I've ruined around 10 discs so far and I haven't changed any settings since it was working fine.
Here is the Log from my last attempt:
I 21:23:12 ImgBurn Version 2.4.3.0 started!
I 21:23:12 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7600)
I 21:23:12 Total Physical Memory: 1,964,080 KB - Available: 998,680 KB
I 21:23:12 Initialising SPTI...
I 21:23:12 Searching for SCSI / ATAPI devices...
I 21:23:15 Found 1 DVD±RW/RAM!
I 21:27:18 Operation Started!
I 21:27:18 Source File: G:\7. XBOX 360 Games\SomeGame.dvd
I 21:27:18 Source File Sectors: 3,697,696 (MODE1/2048)
I 21:27:18 Source File Size: 7,572,881,408 bytes
I 21:27:18 Source File Volume Identifier: DVD_ROM
I 21:27:18 Source File Volume Set Identifier: fd244000MS UDFBridge
I 21:27:18 Source File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM)
I 21:27:18 Source File Implementation Identifier: Microsoft CDIMAGE UDF
I 21:27:18 Source File File System(s): ISO9660, UDF (1.50)
I 21:27:18 Destination Device: [2:0:0] TSSTcorp DVD+-RW TS-L632H D400 (E:) (ATA)
I 21:27:18 Destination Media Type: DVD+R DL (Disc ID: MKM-003-00)
I 21:27:18 Destination Media Sectors: 4,173,824
I 21:27:18 Write Mode: DVD
I 21:27:18 Write Type: DAO
I 21:27:18 Write Speed: 2.4x
I 21:27:18 Link Size: Auto
I 21:27:18 Lock Volume: Yes
I 21:27:18 Test Mode: No
I 21:27:18 OPC: No
I 21:27:18 BURN-Proof: Enabled
I 21:27:18 Book Type Setting: N/A
I 21:27:18 User Specified L0 Data Zone Capacity: 1,913,760
I 21:28:05 Set L0 Data Zone Capacity Succeeded!
I 21:28:06 Filling Buffer... (40 MB)
I 21:28:09 Writing LeadIn...
I 21:28:10 Writing Session 1 of 1... (1 Track, LBA: 0 - 3697695)
I 21:28:10 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3697695)
I 21:28:10 Writing Layer 0... (LBA: 0 - 1913759)
I 21:44:05 Writing Layer 1... (LBA: 1913760 - 3697695)
I 21:59:21 Synchronising Cache...
I 21:59:28 Closing Track...
I 21:59:31 Finalising Disc...
I 22:01:25 Exporting Graph Data...
I 22:01:25 Graph Data File: C:\Users\Jono\AppData\Roaming\ImgBurn\Graph Data Files\TSSTcorp_DVD+-RW_TS-L632H_D400_MONDAY-NOVEMBER-30-2009_9-27_PM_MKM-003-00_2.4x.ibg
I 22:01:25 Export Successfully Completed!
I 22:01:25 Operation Successfully Completed! - Duration: 00:34:06
I 22:01:25 Average Write Rate: 3,952 KB/s (2.9x) - Maximum Write Rate: 4,174 KB/s (3.0x)
I 22:01:25 Cycling Tray before Verify...
W 22:01:39 Waiting for device to become ready...
I 22:02:00 Device Ready!
I 22:02:05 Operation Started!
I 22:02:05 Source Device: [2:0:0] TSSTcorp DVD+-RW TS-L632H D400 (E:) (ATA)
I 22:02:05 Source Media Type: DVD+R DL (Book Type: DVD+R DL) (Disc ID: MKM-003-00)
I 22:02:05 Image File: G:\7. XBOX 360 Games\SomeGame.dvd
I 22:02:05 Image File Sectors: 3,697,696 (MODE1/2048)
I 22:02:05 Image File Size: 7,572,881,408 bytes
I 22:02:05 Image File Volume Identifier: DVD_ROM
I 22:02:05 Image File Volume Set Identifier: fd244000MS UDFBridge
I 22:02:05 Image File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM)
I 22:02:05 Image File Implementation Identifier: Microsoft CDIMAGE UDF
I 22:02:05 Image File File System(s): ISO9660, UDF (1.50)
I 22:02:05 Read Speed (Data/Audio): MAX / MAX
I 22:02:05 Verifying Session 1 of 1... (1 Track, LBA: 0 - 3697695)
I 22:02:05 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 3697695)
I 22:02:05 Verifying Layer 0... (LBA: 0 - 1913759)
I 22:12:57 Verifying Layer 1... (LBA: 1913760 - 3697695)
W 22:13:36 Failed to Read Sector 2019697 - Reason: L-EC Uncorrectable Error
W 22:13:40 Failed to Read Sector 2019697 - Reason: L-EC Uncorrectable Error
W 22:13:47 Failed to Read Sector 2019698 - Reason: L-EC Uncorrectable Error
E 22:13:51 Failed to Read Sector 2019698 - Reason: L-EC Uncorrectable Error
E 22:13:51 Failed to Verify Sectors!
I 22:13:51 Exporting Graph Data...
I 22:13:51 Graph Data File: C:\Users\Jono\AppData\Roaming\ImgBurn\Graph Data Files\TSSTcorp_DVD+-RW_TS-L632H_D400_MONDAY-NOVEMBER-30-2009_9-27_PM_MKM-003-00_2.4x.ibg
I 22:13:51 Export Successfully Completed!
E 22:13:51 Operation Failed! - Duration: 00:11:45
I 22:13:51 Average Verify Rate: 5,729 KB/s (4.1x) - Maximum Verify Rate: 8,451 KB/s (6.1x)