Seth, I was getting the same error on a Mate 20.04 daily build a few days ago. It looks like it was fixed in this patch dealing with the post install: http://launchpadlibrarian.net/473854613/grub2-signed_1.139_1.140.diff.gz
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872045 Title: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post- installation script subprocess returned error exit status 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1872045/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
