Apr 24 04:33:47 ubuntu ubiquity: Setting up shim-signed (1.40.3+15+1533136590.3beb971-0ubuntu1) ... Apr 24 04:33:48 ubuntu grub-installer: info: Installing grub on '/dev/sda' Apr 24 04:33:48 ubuntu grub-installer: info: grub-install does not support --no-floppy Apr 24 04:33:48 ubuntu grub-installer: info: Running chroot /target grub-install --force "/dev/sda" Apr 24 04:33:48 ubuntu grub-installer: Installing for x86_64-efi platform. Apr 24 04:33:50 ubuntu grub-installer: grub-install: warning: Internal error. Apr 24 04:33:50 ubuntu grub-installer: grub-install: error: failed to register the EFI boot entry: Operation not permitted. Apr 24 04:33:50 ubuntu grub-installer: error: Running 'grub-install --force "/dev/sda"' failed.
Apr 24 04:33:47 ubuntu ubiquity: Setting up shim-signed (1.40.3+ 15+1533136590. 3beb971- 0ubuntu1) ...
Apr 24 04:33:48 ubuntu grub-installer: info: Installing grub on '/dev/sda'
Apr 24 04:33:48 ubuntu grub-installer: info: grub-install does not support --no-floppy
Apr 24 04:33:48 ubuntu grub-installer: info: Running chroot /target grub-install --force "/dev/sda"
Apr 24 04:33:48 ubuntu grub-installer: Installing for x86_64-efi platform.
Apr 24 04:33:50 ubuntu grub-installer: grub-install: warning: Internal error.
Apr 24 04:33:50 ubuntu grub-installer: grub-install: error: failed to register the EFI boot entry: Operation not permitted.
Apr 24 04:33:50 ubuntu grub-installer: error: Running 'grub-install --force "/dev/sda"' failed.