Public bug reported: Just installed Ubuntu 20.10 on my older laptop (which was running Windows 10 Pro). Installed by USB drive, 3rd installation and still get the same issue.
ProblemType: Package DistroRelease: Ubuntu 20.10 Package: grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2 ProcVersionSignature: Ubuntu 5.8.0-41.46-generic 5.8.18 Uname: Linux 5.8.0-41-generic x86_64 ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 CasperMD5CheckResult: skip Date: Sun Jan 31 08:24:14 2021 ErrorMessage: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück InstallationDate: Installed on 2021-01-31 (0 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-0ubuntu1 PythonDetails: N/A RelatedPackageVersions: dpkg 1.20.5ubuntu2 apt 2.1.10 SourcePackage: grub2-signed Title: package grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2 failed to install/upgrade: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package groovy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1913931 Title: package grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2 failed to install/upgrade: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1913931/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs