It looks like grub tried to ask a question and debconf ran the gtk frontend and somehow dropped you to a subshell, which you typed exit from, then the gtk frontend errored out, causing the grub script to return the error.
** Package changed: grub2 (Ubuntu) => debconf (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1786629 Title: package grub-efi-amd64 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debconf/+bug/1786629/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
