www.makemkv.com

I submitted an e-mail with all the info and the attatchment as is listed to do in the link provided. I have yet to receive a response. I also have tried 4 other 4k UHD discs. Antman and the wasp Quantumania. failed to open disc. Miss Peregrine's home for peculiar children, hook, and Serenity, which ...

have run into the same issue. Final message I get is "The volume key is unknown for this disc - video can't be decrypted. Failed to open disc" also getting a message stating "Automatic HK downloading is disabled or failed."