Synchronizing cache failed and I had to abort after 20+ minutes of time spent at 0% of synchronizing cache. I was trying to burn a disc for my wife from a video_ts file directory. Eventually, I had to forcibly shut down imgburn via task manager as it would not respond.
Here is the log
I 23:25:56 ImgBurn Version 2.5.5.0 started!
I 23:25:56 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7600)
I 23:25:56 Total Physical Memory: 4,177,672 KB - Available: 2,682,788 KB
I 23:25:56 Initialising SPTI...
I 23:25:56 Searching for SCSI / ATAPI devices...
I 23:25:56 -> Drive 1 - Info: HL-DT-ST DVD-RW GSA-H60L DC08 (D:) (RAID)
I 23:25:56 Found 1 DVD±RW/RAM!
I 23:43:43 Operation Started!
I 23:43:43 Building Image Tree...
W 23:43:43 Skipped Hidden File: C:\Users\Mobilebyrd\Videos\Slim-in-6\Disc-1\VIDEO_TS\Thumbs.db
I 23:44:16 Checking Directory Depth...
I 23:44:16 Calculating Totals...
I 23:44:16 Preparing Image...
I 23:44:17 Checking Path Length...
I 23:44:17 Contents: 11 Files, 2 Folders
I 23:44:17 Content Type: DVD Video
I 23:44:17 Data Type: MODE1/2048
I 23:44:17 File System(s): ISO9660, UDF (1.02)
I 23:44:17 Volume Label: Disc-1
I 23:44:17 IFO/BUP 32K Padding: Enabled
I 23:44:17 Region Code: 1, 2, 3, 4, 5, 6, 7, 8
I 23:44:17 TV System: NTSC
I 23:44:17 Size: 4,680,839,168 bytes
I 23:44:17 Sectors: 2,285,566
I 23:44:17 Image Size: 4,681,465,856 bytes
I 23:44:17 Image Sectors: 2,285,872
I 23:44:23 Operation Successfully Completed! - Duration: 00:00:40
I 23:44:23 Operation Started!
I 23:44:23 Source File: -==/\/[bUILD IMAGE]\/\==-
I 23:44:23 Source File Sectors: 2,285,872 (MODE1/2048)
I 23:44:23 Source File Size: 4,681,465,856 bytes
I 23:44:23 Source File Volume Identifier: Disc-1
I 23:44:23 Source File Volume Set Identifier: 3E56BD750022E123
I 23:44:23 Source File Application Identifier: IMGBURN V2.5.5.0 - THE ULTIMATE IMAGE BURNER!
I 23:44:23 Source File Implementation Identifier: ImgBurn
I 23:44:23 Source File File System(s): ISO9660, UDF (1.02)
I 23:44:23 Destination Device: [2:3:0] HL-DT-ST DVD-RW GSA-H60L DC08 (D:) (RAID)
I 23:44:23 Destination Media Type: DVD+R (Disc ID: CMC MAG-F01-00) (Speeds: 2.4x, 4x)
I 23:44:23 Destination Media Sectors: 2,295,104
I 23:44:23 Write Mode: DVD
I 23:44:23 Write Type: DAO
I 23:44:23 Write Speed: MAX
I 23:44:23 DVD+R Reserve Track: No
I 23:44:23 Link Size: Auto
I 23:44:23 Lock Volume: Yes
I 23:44:23 Test Mode: No
I 23:44:23 OPC: No
I 23:44:23 BURN-Proof: Enabled
I 23:44:23 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x)
I 23:44:23 Book Type Setting: DVD-ROM
I 23:44:24 Filling Buffer... (40 MB)
I 23:44:24 Writing LeadIn...
I 23:44:37 Writing Session 1 of 1... (1 Track, LBA: 0 - 2285871)
I 23:44:37 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2285871)
I 23:58:41 Synchronising Cache...
I 00:26:20 Abort Request Acknowledged