www.makemkv.com

I will provide a data point that may be interesting. When ripping a lionsgate movie Allegiant from BD, MakeMkv would throw a "Scsi error - MEDIUM ERROR:L-EC UNCORRECTABLE ERROR" for one of the streams. If I backed up a decrypted copy of the BD with MakeMkv, it would fail to backup that one...

509, 511, 515, 501, 510, 503, 513, 502, 508, 504, 505, 507, 506, 512, 514 worked for me. I had to back up an encrypted copy first because stream 502 would fail otherwise.

I have a bluray with obfuscation, there are probably about 100 identical titles. I have Java installed and am able to play the disc with media player classic home edition, and while playing I pull up windows process explorer, and I can see that its playing a specific stream. 00509.m2ts to be exact. ...

Is there any success using polishing methods to correct problematic micro scratches on blu-rays? Did the obvious cleaning and I have one or two discs (out of many the ripped fine), that are having read errors from a very specific sector that is likely tied to these almost imperceptible blemishes.