Public bug reported: I was upgrading.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: grub-efi-amd64 2.02~beta2-36ubuntu3.6 ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35 Uname: Linux 4.4.0-57-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.4 Architecture: amd64 Date: Thu Dec 29 19:06:47 2016 DeviceMap: (hd0) /dev/sda (hd1) /dev/sdb (hd2) /dev/sdc DuplicateSignature: package:grub-efi-amd64:2.02~beta2-36ubuntu3.6 Setting up grub-efi-amd64 (2.02~beta2-36ubuntu3.6) ... dpkg: error processing package grub-efi-amd64 (--configure): subprocess installed post-installation script returned error exit status 128 ErrorMessage: subprocess installed post-installation script returned error exit status 128 InstallationDate: Installed on 2015-07-23 (525 days ago) InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release amd64 (20150422.1) InvalidGrubScript: /etc/grub.d/25_custom ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-57-generic root=UUID=1d1d6fb0-7eb6-4b64-a5ee-cadfca22c2c6 ro quiet splash RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.18 SourcePackage: grub2 Title: package grub-efi-amd64 2.02~beta2-36ubuntu3.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package need-duplicate-check package-from-proposed third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1653152 Title: package grub-efi-amd64 2.02~beta2-36ubuntu3.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1653152/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs