Ubuntu
shim-signed package

  1. Bug #1250611
  2. Comment #16

Comment 16 for bug 1250611

Revision history for this message
Stéphane Graber (stgraber) wrote :

Ok, so your machine is booted from EFI but has both the PC and EFI version of grub installed, that's the problem.

Try removing grub-pc and grub-pc-bin from your system, then install shim-signed again.