I 16:49:17 ImgBurn Version 2.5.0.0 started!
I 16:49:17 Microsoft Windows XP Home Edition (5.1, Build 2600 : Service Pack 3)
I 16:49:17 Total Physical Memory: 1,440,240 KB - Available: 823,148 KB
I 16:49:17 Initialising SPTI...
I 16:49:17 Searching for SCSI / ATAPI devices...
I 16:49:17 Found 1 DVD±RW/RAM!
I 16:50:20 Operation Started!
I 16:50:20 Source File: C:\Documents and Settings\Owner\Desktop\windows 7\en_windows_7_ultimate_x64_dvd_x15-65922.iso
I 16:50:20 Source File Sectors: 1,574,554 (MODE1/2048)
I 16:50:20 Source File Size: 3,224,686,592 bytes
I 16:50:20 Source File Volume Identifier: GRMCULXFRER_EN_DVD
I 16:50:20 Source File Volume Set Identifier: 9b77ad00MS UDFBridge
I 16:50:20 Source File Application Identifier: CDIMAGE 2.54 (01/01/2005 TM)
I 16:50:21 Source File Implementation Identifier: Microsoft CDIMAGE UDF
I 16:50:21 Source File File System(s): ISO9660 (Bootable), UDF (1.02)
I 16:50:21 Destination Device: [4:0:0] SONY DVD RW DRU-830A SS25 (I:) (ATA)
I 16:50:21 Destination Media Type: DVD-R (Disc ID: RITEKG04) (Speeds: 2x, 4x)
I 16:50:21 Destination Media Sectors: 2,298,496
I 16:50:21 Write Mode: DVD
I 16:50:21 Write Type: DAO
I 16:50:21 Write Speed: 1x
I 16:50:21 Link Size: Auto
I 16:50:21 Lock Volume: Yes
I 16:50:21 Test Mode: No
I 16:50:21 OPC: No
I 16:50:21 BURN-Proof: Enabled
W 16:50:21 Write Speed Miscompare! - Wanted: 1,385 KB/s (1x), Got: 2,770 KB/s (2x)
I 16:50:21 Filling Buffer... (40 MB)
I 16:50:22 Writing LeadIn...
I 16:50:44 Writing Session 1 of 1... (1 Track, LBA: 0 - 1574553)
I 16:50:44 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 1574553)
I 17:10:08 Synchronising Cache...
I 17:10:48 Exporting Graph Data...
I 17:10:48 Graph Data File: C:\Documents and Settings\Owner\Application Data\ImgBurn\Graph Data Files\SONY_DVD_RW_DRU-830A_SS25_THURSDAY-OCTOBER-29-2009_4-50_PM_RITEKG04_1x.ibg
I 17:10:48 Export Successfully Completed!
I 17:10:48 Operation Successfully Completed! - Duration: 00:20:27
I 17:10:48 Average Write Rate: 2,707 KB/s (2.0x) - Maximum Write Rate: 2,809 KB/s (2.0x)
I 17:10:48 Cycling Tray before Verify...
W 17:10:55 Waiting for device to become ready...
I 17:11:08 Device Ready!
I 17:11:10 Operation Started!
I 17:11:10 Source Device: [4:0:0] SONY DVD RW DRU-830A SS25 (I:) (ATA)
I 17:11:10 Source Media Type: DVD-R (Book Type: DVD-R) (Disc ID: RITEKG04) (Speeds: 2x, 4x)
I 17:11:10 Image File: C:\Documents and Settings\Owner\Desktop\windows 7\en_windows_7_ultimate_x64_dvd_x15-65922.iso
I 17:11:10 Image File Sectors: 1,574,554 (MODE1/2048)
I 17:11:10 Image File Size: 3,224,686,592 bytes
I 17:11:10 Image File Volume Identifier: GRMCULXFRER_EN_DVD
I 17:11:10 Image File Volume Set Identifier: 9b77ad00MS UDFBridge
I 17:11:10 Image File Application Identifier: CDIMAGE 2.54 (01/01/2005 TM)
I 17:11:10 Image File Implementation Identifier: Microsoft CDIMAGE UDF
I 17:11:10 Image File File System(s): ISO9660 (Bootable), UDF (1.02)
I 17:11:10 Read Speed (Data/Audio): MAX / MAX
I 17:11:10 Verifying Session 1 of 1... (1 Track, LBA: 0 - 1574553)
I 17:11:10 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 1574553)
W 17:12:07 Failed to Read Sector 34224 - Reason: Timeout on Logical Unit
W 17:12:07 Sector 34224 maps to File: \sources\boot.wim
W 17:12:50 Retrying (1)...
I 17:12:52 Verifying Sectors...
W 17:13:05 Failed to Read Sector 34314 - Reason: Timeout on Logical Unit
W 17:13:05 Sector 34314 maps to File: \sources\boot.wim
W 17:13:09 Failed to Read Sector 34314 - Reason: Timeout on Logical Unit
W 17:13:09 Sector 34314 maps to File: \sources\boot.wim
W 17:13:24 Failed to Read Sector 35129 - Reason: Timeout on Logical Unit
W 17:13:24 Sector 35129 maps to File: \sources\boot.wim
W 17:13:33 Failed to Read Sector 35129 - Reason: Timeout on Logical Unit
W 17:13:33 Sector 35129 maps to File: \sources\boot.wim
W 17:13:44 Failed to Read Sector 35131 - Reason: Timeout on Logical Unit
W 17:13:44 Sector 35131 maps to File: \sources\boot.wim
W 17:14:30 Failed to Read Sector 35131 - Reason: Timeout on Logical Unit
W 17:14:30 Sector 35131 maps to File: \sources\boot.wim
W 17:14:51 Failed to Read Sector 36761 - Reason: Timeout on Logical Unit
W 17:14:51 Sector 36761 maps to File: \sources\boot.wim
E 17:15:36 Failed to Read Sector 36761 - Reason: Timeout on Logical Unit
E 17:15:36 Sector 36761 maps to File: \sources\boot.wim
E 17:15:36 Failed to Verify Sectors!
I 17:15:36 Exporting Graph Data...
I 17:15:36 Graph Data File: C:\Documents and Settings\Owner\Application Data\ImgBurn\Graph Data Files\SONY_DVD_RW_DRU-830A_SS25_THURSDAY-OCTOBER-29-2009_4-50_PM_RITEKG04_1x.ibg
I 17:15:36 Export Successfully Completed!
E 17:15:36 Operation Failed! - Duration: 00:04:26
---------------
Trying once more to be thorough, but any idea would be most welcome.
Stephen