Hi Thanks for your coninued help. Please see below extract from the log.
15:17:52 Device Ready!
I 15:18:02 Operation Started!
I 15:18:02 Source Device: [0:0:0] hp CDDVDW TS-L633R 0400 (K:) (USB)
I 15:18:02 Source Media Type: DVD+R DL (Book Type: DVD-ROM) (Disc ID: MKM-003-00)
I 15:18:02 Source Media Supported Read Speeds: 4x, 6x, 8x
I 15:18:02 Source Media Supported Write Speeds: 3x, 4x, 6x
I 15:18:02 Source Media Sectors: 3,951,808 (Track Path: OTP - L0: 1,975,904 - L1: 1,975,904)
I 15:18:02 Source Media Size: 8,093,302,784 bytes
I 15:18:02 Image File: C:\Users\Terry Lakey\Documents\MOVIE ROOT.MDS
I 15:18:02 Image File Sectors: 3,951,808 (MODE1/2048)
I 15:18:02 Image File Size: 8,093,302,784 bytes
I 15:18:02 Image File Volume Identifier: VIDEO_TS
I 15:18:02 Image File Volume Set Identifier: 52887449003C4CB7
I 15:18:02 Image File Application Identifier: IMGBURN V2.5.8.0 - THE ULTIMATE IMAGE BURNER!
I 15:18:02 Image File Implementation Identifier: ImgBurn
I 15:18:02 Image File File System(s): ISO9660, UDF (1.02)
I 15:18:02 Read Speed (Data/Audio): MAX / MAX
I 15:18:03 Read Speed - Effective: 3.3x - 8x, 8x - 3.3x
I 15:18:03 Verifying Session 1 of 1... (1 Track, LBA: 0 - 3951807)
I 15:18:03 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 3951807)
I 15:18:03 Verifying Layer 0... (LBA: 0 - 1975903)
I 15:26:31 Verifying Layer 1... (LBA: 1975904 - 3951807)
W 15:26:59 Failed to Read Sectors 2008960 - 2008991 - Reason: L-EC Uncorrectable Error
W 15:27:09 Failed to Read Sector 2008960 - Reason: L-EC Uncorrectable Error
W 15:27:09 Sector 2008960 maps to File: \VIDEO_TS\VTS_05_1.VOB
W 15:38:30 Retrying (1)...
W 15:38:38 Retry Failed - Reason: L-EC Uncorrectable Error
W 15:38:53 Failed to Read Sector 2008960 - Reason: L-EC Uncorrectable Error
W 15:38:53 Sector 2008960 maps to File: \VIDEO_TS\VTS_05_1.VOB
W 15:39:03 Failed to Read Sector 2008961 - Reason: L-EC Uncorrectable Error
W 15:39:03 Sector 2008961 maps to File: \VIDEO_TS\VTS_05_1.VOB
E 15:40:13 Failed to Read Sector 2008961 - Reason: L-EC Uncorrectable Error
E 15:40:13 Sector 2008961 maps to File: \VIDEO_TS\VTS_05_1.VOB
E 15:40:13 Failed to Verify Sectors!
I 15:40:14 Exporting Graph Data...
I 15:40:14 Graph Data File: C:\Users\Terry Lakey\AppData\Roaming\ImgBurn\Graph Data Files\hp_CDDVDW_TS-L633R_0400_08-APRIL-2021_14-42_MKM-003-00_MAX.ibg
I 15:40:14 Export Successfully Completed!
E 15:40:14 Operation Failed! - Duration: 00:22:10
I 15:40:14 Average Verify Rate: 3,023 KiB/s (2.2x) - Maximum Verify Rate: 10,978 KiB/s (8.1x)
I 15:40:19 Close Request Acknowledged
I 15:40:19 Closing Down...
I 15:40:22 Shutting down SPTI...
I 15:40:23 ImgBurn closed!