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Posted: **Sun May 26, 2024 4:30 am**

Running into this error during Backup:

The volume key is unknown for this disc - video can't be decrypted

Posted: **Sun May 26, 2024 9:48 am**

Have you tried following these instructions?

And while you're waiting for MakeMKV's processing queue to work its magic, how about these instructions?

For the record, KEYDB.cfg already knows about these "First Man" discs:

Code: Select all

0xEA32E418193601D0F6BF24AD4709DA04A251B17F = FIRSTMAN_UPK1 (First Man) | D | 2018-11-19
0xF0837BBA5A7955D5BBC8E1F2C616ED983A0EFF2E = FIRSTMAN_UPK1 (First Man) | D | 2018-12-01
0x56F60543CEF4EC33A881410B234970F18C4B8C51 = FIRSTMAN_UPK4 (First Man) | D | 2018-12-03

and so adding the latest KEYDB.cfg to your .MakeMKV directory could work either immediately, or with a small amount of help.

Posted: **Sun May 26, 2024 3:30 pm**

Okay, thank you. I will give that a try.

www.makemkv.com

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