Public bug reported: After upgrade from ubuntu 19.10 to ubuntu 20.04:
sudo apt install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Setting up grub-efi-amd64-signed (1.142+2.04-1ubuntu26) ... dpkg: error processing package grub-efi-amd64-signed (--configure): installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10 No apport report written because the error message indicates its a followup error from a previous failure. dpkg: dependenc y problems prevent configuration of shim-signed: shim-signed depends on grub-efi-amd64-signed | grub-efi-arm64-signed; however: Package grub-efi-amd64-signed is not configured yet. Package grub-efi-arm64-signed is not installed. dpkg: error processing package shim-signed (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: grub-efi-amd64-signed shim-signed E: Sub-process /usr/bin/dpkg returned an error code (1) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874315 Title: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1874315/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs