www.makemkv.com

Drive not been found is a common problem, here is how i fixed it on Manjaro

Open a Terminal, Note: running with sudo does not work
su root
Enter your Password
echo sg > /etc/modules-load.d/sg.conf
Exit
Reboot

After this my drive has been found (pioneer drive)
This also helps for Nero not be able ...

So it worked with your FW.
So here a quick guide for Linux Users:

Use FW provided by Billycar11:
https://drive.google.com/file/d/102V7DUp45TkU-mYgu992F3NHLNEmeZTN/view?usp=sharing
For me it was DE_flash_HL-DT-ST_BD-RE_BU40N_BU10.bin (Archgon BU40N)

Put it into /tmp/

Download sdf.bin ( https ...

Ok, I will try. To be sure: DE_flash_HL-DT-ST_BD-RE_BU40N_BU10.bin That's the one you are referring to for the european version of the archgon BU40N Drive?
(Source https://drive.google.com/file/d/102V7DU ... sp=sharing )

Nope, no VMs or anything like it.
But I just noticed, it does not say "using libre drive mode". It should say that in the log before "Using direct disc access mode", is that correct?
I have the feeling, MakeMKV does not try using libre Drive mode.

I also have another old Blu Ray Drive plugged in ...

Internet Access is enabled. I have read most topics regarding UHD Decrypt topics and the main causes seem to be:
Power Issue with drive (Tried everything to give the drive enough power, should not be the Problem)
Internet Access (Is active and also I do not get the error message for it.)
Libre Drive ...

Ok, I posted there. Thanks.
viewtopic.php?f=16&t=29761

So I started to put my Blu Rays on a jellyfin, which worked perfect for normal blu rays. Now I wanted to get a quality boost and tried two UHD Discs. No Time to Die and 1917. The blu ray versions of these worked fine.

Bot Fail with same error logic. Log see below.

Internet Access is active.
Power ...

So I started to put my Blu Rays on a jellyfin, which worked perfect for normal blu rays. Now I wanted to get a quality boost and tried two UHD Discs. No Time to Die and 1917. The blu ray versions of these worked fine.

Bot Fail with same error logic. Log see below.

Internet Access is active.
Power ...