This is where comes into play.
Inside the .MakeMKV folder, you need to create a new text file named: keydbcfg makemkv
AACS (Advanced Access Content System) is the encryption used on Blu-ray and UHD Blu-ray discs. Every commercial disc contains a specific set of cryptographic keys. When MakeMKV fails to open a disc, it usually throws an error about "Volume Key" not being found. This is where comes into play
