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How would you phrase the reporting to Microsoft? Is there a specific error or message in the log you would use when reporting it to them?

I am also seeing this error. I uploaded a log here: https://drive.google.com/file/d/0ByFo8DUuaiYFWXZ5OFBpU1YzZ2M/view I think the first error is this: 002004:0000 Error 'Scsi error - ILLEGAL REQUEST:COPY PROTECTION KEY EXCHANGE FAILURE - AUTHENTICATION FAILURE' occurred while issuing SCSI command A3...

I am seeing similar behavior. It has locked up at various screens. It was working earlier in the week before the 10122 update for Windows 10. It doesn't always lock at the same place but a frequent log is: MakeMKV v1.9.2 win(x64-release) started Using direct disc access mode Error 'Scsi error - ILLE...