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Won't open properly and spends a huge amount of time accessing the files. Finally ended with a scsi error. This disc looks like it's in good shape. Can you make anything of the log?

Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading 'BD-ROM ASUS BC-12B1ST b 1.00' at offset '23090690048'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading 'BD-ROM ASUS BC-12B1ST b 1.00' at offset '23090690048'
Using direct disc access mode
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading 'BD-ROM ASUS BC-12B1ST b 1.00' at offset '23090690048'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading 'BD-ROM ASUS BC-12B1ST b 1.00' at offset '23090690048'
Loaded content hash table, will verify integrity of M2TS files.
File 00800.mpls was added as title #0
File 00302.mpls was added as title #1
File 00304.mpls was added as title #2
File 00305.mpls was added as title #3
File 00331.mpls was added as title #4
File 00390.mpls was added as title #5
File 00020.mpls was added as title #6
Title #00070.mpls has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00071.mpls has length of 10 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00072.mpls has length of 10 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00060.mpls has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00061.mpls has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00062.mpls has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00050.mpls has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00051.mpls has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00052.mpls has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00081.mpls has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00080.mpls has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00310.mpls was added as title #7
Title #00073.mpls has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00053.mpls has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00063.mpls has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00320.mpls was added as title #8
Title 00341.mpls is equal to title 00800.mpls and was skipped
File 00360.mpls was added as title #9
Title #00002.m2ts has length of 30 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00003.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00004.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00005.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00006.m2ts has length of 24 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00007.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00008.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00009.m2ts has length of 48 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00010.m2ts has length of 38 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00011.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00012.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00013.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00014.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00015.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00016.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00017.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00018.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00019.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00020.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00021.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00022.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00023.m2ts has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00024.m2ts has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00025.m2ts has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00026.m2ts has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title 00040.m2ts is equal to title 00800.mpls and was skipped
File 00048.m2ts was added as title #10
Title #00049.m2ts has length of 60 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00051.m2ts was added as title #11
File 00054.m2ts was added as title #12
Title #00055.m2ts has length of 27 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00056.m2ts was added as title #13
Title #00057.m2ts has length of 103 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00058.m2ts was added as title #14
Title #00059.m2ts has length of 112 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00060.m2ts has length of 90 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00061.m2ts was added as title #15
File 00062.m2ts was added as title #16
File 00063.m2ts was added as title #17
File 00064.m2ts was added as title #18
File 00065.m2ts was added as title #19
File 00066.m2ts was added as title #20
File 00067.m2ts was added as title #21
File 00068.m2ts was added as title #22
File 00069.m2ts was added as title #23
Title #00071.m2ts has length of 33 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00072.m2ts was added as title #24
File 00073.m2ts was added as title #25
Title #00074.m2ts has length of 65 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00075.m2ts has length of 102 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00076.m2ts has length of 32 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00077.m2ts was added as title #26
File 00078.m2ts was added as title #27
File 00079.m2ts was added as title #28
File 00080.m2ts was added as title #29
File 00081.m2ts was added as title #30
File 00082.m2ts was added as title #31
File 00083.m2ts was added as title #32
File 00084.m2ts was added as title #33
Title #00085.m2ts has length of 82 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00086.m2ts was added as title #34
Title #00091.m2ts has length of 74 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00092.m2ts has length of 7 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00093.m2ts has length of 7 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00094.m2ts has length of 97 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00095.m2ts has length of 7 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00096.m2ts has length of 98 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00097.m2ts has length of 19 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00098.m2ts has length of 20 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00099.m2ts has length of 31 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00100.m2ts has length of 31 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00101.m2ts has length of 32 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00102.m2ts has length of 92 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00103.m2ts has length of 75 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00104.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Operation successfully completed
Saving 1 titles into directory E:/DVD using profile 'WDTV' from file 'C:\Program Files (x86)\MakeMKV/wdtv.mmcp.xml'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '23090690048'
Error 'Scsi error - MEDIUM ERROR:L-EC UNCORRECTABLE ERROR' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233989120'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233991168'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233991168'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233991168'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233991168'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '\Device\CdRom0' at offset '2233991168'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Error 'Scsi error - HARDWARE ERROR:TIMEOUT ON LOGICAL UNIT' occurred while reading '/BDMV/STREAM/00040.m2ts' at offset '2233989120'
Failed to save title 0 to file E:/DVD/The_Little_Mermaid_Diamond_Edition_t00.mkv
0 titles saved, 1 failed

Hardware timeout... that's one that doesn't pop up every day. But it does indicate an issue between your operating system and the drive itself - MakeMKV makes a request, and the operating system doesn't get an answer back before it times out waiting for the response.

Since the Asus is an internal SATA drive, it should always have enough power to run at full speed, so we'll push that possibility aside for now.

Does the error JUST occur on this disk, or on others? If it is just this disk, I'd suggest cleaning the disk as a first step. With a damp, soft cloth, wipe down the disk to make sure there are no fingerprints or chemical coatings on the disk.

I'm having this same issue but nit with just one blu ray. I was trying this last night with the Home blu ray and the same thing happened to me. Any ideas?

Sudden occurrences are often (but not always) a "glitch" telling the operating system that the drive is off-line, and the OS doesn't check after that. Restarting the operating system will usually clear those problems up.

If the glitch is at the motherboard level, though, it won't clear until the system gets a RESET signal, or has power removed. Rebooting the operating system doesn't do either of those things, so the problem can persist until the next time the machine is powered down.

Appreciate the help Woodstock. I did shut down and restart a couple times. I also tried several other Blue ray discs from my library which open perfectly.

These are from Netflix if that makes a difference. I just received a replacement disc for the one in the initial post and it's doing the same thing. I also received How to Train Your Dragon and it's doing it also. I took a close look at these two discs and I just noticed that they both have nearly identical 1/4 inch cracks starting on the outer edge. I wonder if the post office or Netflix may have a mechanical issue causing fractures. I'll request another of each and see what happens.

About 10% of the disks I received when I had a Netflix subscription were cracked. Some so bad that there were shards in the envelop. I got one that the only thing holding the disk together was the printing on the disk.

The Post Office has specialized equipment that can crush a 1" thick book vertically... DVDs and BDs have NO chance.

I think they are up to about 50% now. About to terminate. It also crossed my mind that this was a way they could foil rippers. Most of these did work in a standard blue ray player but not in the computer. All the cracks I've seen are virtually identical. 1/4" or so moon shaped crack on the outer edge.

Thanks again