*** This bug is a duplicate of bug 1767703 *** https://bugs.launchpad.net/bugs/1767703
I thought I'd comment that I just got the same error, but it was my mistake - I was manually partitioning the disk, and I didn't include the required ~200MB FAT32-formatted, bootable partition with an esp flag that's needed for this type of bootup. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767259 Title: ubuntu 18.04 The 'grub-efi-amd64-signed' package failed to install into / targer. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1767259/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs