(In reply to Tiago Marques from comment #12) > Hi, > > I've been hit by this for some months now. Every Grub2 update, I get the > same message as OP. > Not sure which grub package is to blame and I'm using EFI and secure boot. > > I've managed to (twice) solve the issue by booting a live USB, chrooting and > then running 'shim-install'. > > Not sure where the bug is or if this helps. I'm available to test other > things out to help fix this. Before upgrading "shim", could you try "mokutil --enable-validation" and reboot the system to clean up MokSBState?