I've got the same issue on my Macbook Pro early 2008. Deleting /boot/efi/EFI/ubuntu/shimx64.efi doesn't help at all.
"Solution": Press "alt" when booting the macbook. Select "Boot from next target" and your system should boot by showing the error message. Alternatively, do exactly the same by starting a LIVE USB system at the first time. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867092 Title: Failed to set MokListRT: Invalid Parameter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1867092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
