Okay, I tried to burn a new disc, while in Safe Mode, using ImgBurn. First I tried burning my BDMV files onto the disc. Then I tried to burn an .iso Image onto a disc. Both attempts completely failed - giving me the same popup error messages as before.
Here's a copy of the logfile:
; //****************************************\\ ; ImgBurn Version 2.5.8.0 - Log ; Wednesday, 19 March 2014, 21:47:40 ; \\****************************************// ; ; I 21:33:39 ImgBurn Version 2.5.8.0 started! I 21:33:39 Microsoft Windows 7 Home Premium x64 Edition (6.1, Build 7601 : Service Pack 1, Safe Mode) I 21:33:39 Total Physical Memory: 12,573,880 KiB - Available: 11,532,620 KiB I 21:33:39 Initialising SPTI... I 21:33:39 Searching for SCSI / ATAPI devices... E 21:33:40 Failed to check for ImgBurn update! I 21:33:42 -> Drive 1 - Info: SONY BD RW BWU-500S 2.63 (D:) (ATA) I 21:33:42 Found 1 BD-RE! I 21:36:02 Operation Started! I 21:36:02 Building Image Tree... I 21:36:17 Corrected file system selection for Blu-ray Video disc. I 21:36:17 Calculating Totals... I 21:36:17 Preparing Image... I 21:36:17 Contents: 17 Files, 15 Folders I 21:36:17 Content Type: BD Video I 21:36:17 Data Type: MODE1/2048 I 21:36:17 File System(s): UDF (2.60) I 21:36:17 Volume Label: Toy Story (1995) I 21:36:17 Size: 16,054,654,220 bytes I 21:36:17 Sectors: 7,839,198 I 21:36:17 Image Size: 16,055,664,640 bytes I 21:36:17 Image Sectors: 7,839,680 I 21:36:17 Operation Successfully Completed! - Duration: 00:00:15 I 21:36:51 Operation Started! I 21:36:51 Building Image Tree... I 21:36:51 Calculating Totals... I 21:36:51 Preparing Image... I 21:36:51 Contents: 17 Files, 15 Folders I 21:36:51 Content Type: BD Video I 21:36:51 Data Type: MODE1/2048 I 21:36:51 File System(s): UDF (2.60) I 21:36:51 Volume Label: Toy Story (1995) I 21:36:51 Size: 16,054,654,220 bytes I 21:36:51 Sectors: 7,839,198 I 21:36:51 Image Size: 16,055,664,640 bytes I 21:36:51 Image Sectors: 7,839,680 I 21:37:03 Operation Successfully Completed! - Duration: 00:00:12 I 21:37:03 Operation Started! I 21:37:03 Source File: -==/\/[bUILD IMAGE]\/\==- I 21:37:03 Source File Sectors: 7,839,680 (MODE1/2048) I 21:37:03 Source File Size: 16,055,664,640 bytes I 21:37:03 Source File Volume Identifier: Toy Story (1995) I 21:37:03 Source File Volume Set Identifier: 4473AC9900779F5E I 21:37:03 Source File Application Identifier: ImgBurn v2.5.8.0 I 21:37:03 Source File Implementation Identifier: ImgBurn I 21:37:03 Source File File System(s): UDF (2.60) I 21:37:03 Destination Device: [1:1:0] SONY BD RW BWU-500S 2.63 (D:) (ATA) I 21:37:03 Destination Media Type: BD-R (Disc ID: VERBAT-IMe-000) I 21:37:03 Destination Media Supported Write Speeds: 4x, 6x I 21:37:03 Destination Media Sectors: 12,219,392 I 21:37:03 Write Mode: BD I 21:37:03 Write Type: DAO I 21:37:03 Write Speed: 4x I 21:37:03 Hardware Defect Management Active: No I 21:37:03 BD-R Verify Not Required: Yes I 21:37:03 Link Size: Auto I 21:37:03 Lock Volume: Yes I 21:37:03 Test Mode: No I 21:37:03 OPC: No I 21:37:03 BURN-Proof: Enabled I 21:37:05 Write Speed Successfully Set! - Effective: 17,980 KB/s (4x) I 21:37:26 Filling Buffer... (40 MiB) I 21:37:27 Writing LeadIn... W 21:38:03 Failed to Write Sectors 2816 - 2847 - Reason: Invalid Address For Write W 21:38:03 Retrying (1 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (2 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (3 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (4 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (5 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (6 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (7 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (8 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (9 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (10 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (11 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (12 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (13 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (14 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (15 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (16 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (17 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (18 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (19 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write W 21:38:04 Retrying (20 of 20)... W 21:38:04 Retry Failed - Reason: Invalid Address For Write E 21:42:37 Failed to Write Sectors 2816 - 2847 - Reason: Invalid Address For Write E 21:42:37 Next Writable Address: 0 I 21:42:37 Synchronising Cache... W 21:42:59 Synchronise Cache Failed! - Reason: Timeout on Logical Unit E 21:43:44 Synchronise Cache Failed! - Reason: Timeout on Logical Unit W 21:43:51 User opted to skip the 'Close Track/Session/Disc' functions. E 21:43:51 Failed to Write Image! E 21:43:51 Operation Failed! - Duration: 00:06:47 I 21:43:51 Average Write Rate: 0 KiB/s (0.0x) - Maximum Write Rate: 0 KiB/s (0.0x) I 21:45:22 Operation Started! I 21:45:22 Source File: E:\2nd try\Toy Story (1995).iso I 21:45:22 Source File Sectors: 7,839,680 (MODE1/2048) I 21:45:22 Source File Size: 16,055,664,640 bytes I 21:45:22 Source File Volume Identifier: Toy Story (1995) I 21:45:22 Source File Volume Set Identifier: 44707E6800779F5E I 21:45:22 Source File Application Identifier: IMGBURN V2.5.8.0 - THE ULTIMATE IMAGE BURNER! I 21:45:22 Source File Implementation Identifier: ImgBurn I 21:45:22 Source File File System(s): ISO9660, UDF (2.60) I 21:45:22 Destination Device: [1:1:0] SONY BD RW BWU-500S 2.63 (D:) (ATA) I 21:45:22 Destination Media Type: BD-R (Disc ID: VERBAT-IMe-000) I 21:45:22 Destination Media Supported Write Speeds: 4x I 21:45:22 Destination Media Sectors: 7,839,680 I 21:45:22 Write Mode: BD I 21:45:22 Write Type: DAO I 21:45:22 Write Speed: 4x I 21:45:22 Hardware Defect Management Active: No I 21:45:22 BD-R Verify Not Required: Yes I 21:45:22 Link Size: Auto I 21:45:22 Lock Volume: Yes I 21:45:22 Test Mode: No I 21:45:22 OPC: No I 21:45:22 BURN-Proof: Enabled I 21:45:24 Write Speed Successfully Set! - Effective: 17,980 KB/s (4x) I 21:45:24 Filling Buffer... (40 MiB) I 21:45:25 Writing LeadIn... W 21:46:05 Failed to Write Sectors 2816 - 2847 - Reason: Invalid Address For Write W 21:46:05 Retrying (1 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (2 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (3 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (4 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (5 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (6 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (7 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (8 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (9 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (10 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (11 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (12 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (13 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (14 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (15 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (16 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (17 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (18 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (19 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write W 21:46:06 Retrying (20 of 20)... W 21:46:06 Retry Failed - Reason: Invalid Address For Write E 21:46:38 Failed to Write Sectors 2816 - 2847 - Reason: Invalid Address For Write E 21:46:38 Next Writable Address: 0 I 21:46:38 Synchronising Cache... W 21:47:01 Synchronise Cache Failed! - Reason: Timeout on Logical Unit E 21:47:32 Synchronise Cache Failed! - Reason: Timeout on Logical Unit W 21:47:34 User opted to skip the 'Close Track/Session/Disc' functions. E 21:47:34 Failed to Write Image! E 21:47:34 Operation Failed! - Duration: 00:02:12 I 21:47:34 Average Write Rate: 0 KiB/s (0.0x) - Maximum Write Rate: 0 KiB/s (0.0x) I 21:47:40 Close Request Acknowledged I 21:47:40 Closing Down... I 21:47:40 Shutting down SPTI... I 21:47:40 ImgBurn closed!