I upgraded to 1.16.1 today, and after launching the software and clicking on the disk, I got an error message that I had "On the fly decryption program already running,....". The only software I had running was MakeMKV. I do have Handbrake installed on the machine, but it wasn't running. I never got the message with the older versions (1.15.4 was the previous version I had on this machine).
I'm running this on Linux Mint, latest release. Any idea why this message started appearing? I'm at a loss. It seems like it is working ok, but I want to be sure moving forward.