On Mon, Jul 27, 2020 at 11:05 PM Samuel Sieb <samuel@sieb.net> wrote:
I've had that message for a very long time on many computers.  It hasn't
had any effect and I haven't bothered investigating what it's trying to
load.

Well have tried accessing the /boot/efi directory on computers that you did receive this error on. Could you cd into the directories ? 

--
Regards,
Sreyan Chakravarty