I chose to manually create the partitions during install, to optimize the use of multiple hard drives. And I just forgot to create an efi-partition. Since this was a fresh install on a new computer, that was easy to fix, so for me everything is fine now. A warning "You don't have an efi-partition. Do you really want to continue?" or something alike, would have helped a lot though.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767703 Title: Calling 'apt-install grub-efi-amd64-signed' failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1767703/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
