Public bug reported: Don't know enough to provide more info.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: grub-pc 2.04-1ubuntu26.12 ProcVersionSignature: Ubuntu 5.8.0-50.56~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-50-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 CasperMD5CheckResult: skip Date: Fri Jun 4 18:33:07 2021 DuplicateSignature: package:grub-pc:2.04-1ubuntu26.12 Setting up grub-pc (2.04-1ubuntu26.12) ... /var/lib/dpkg/info/grub-pc.config: 1: /etc/default/grub: If: not found dpkg: error processing package grub-pc (--configure): installed grub-pc package post-installation script subprocess returned error exit status 127 ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 127 InstallationDate: Installed on 2021-05-08 (27 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) InvalidGrubScript: /etc/default/grub ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-generic root=UUID=891fe260-86c8-4362-b5d4-2768480b646a ro quiet splash Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.5 SourcePackage: grub2 Title: package grub-pc 2.04-1ubuntu26.12 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 127 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1930938 Title: package grub-pc 2.04-1ubuntu26.12 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1930938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs