package grub-pc (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 128

[martin suchanek]

apt-cache policy grub-pc
grub-pc:
  Installed: (none)
  Candidate: 2.02~beta2-15
  Version table:
     2.02~beta2-15 0
        500 http://archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: grub-pc (not installed)
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
Date: Sun Oct 26 07:59:36 2014
DuplicateSignature: package:grub-pc:(not installed):subprocess installed post-removal script returned error exit status 128
ErrorMessage: subprocess installed post-removal script returned error exit status 128
EtcDefaultGrubD.dmraid2mdadm.cfg: GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT nomdmonddf nomdmonisw"
EtcDefaultGrubD.kexec.tools.cfg: GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT crashkernel=384M-:128M"
InstallationDate: Installed on 2014-10-21 (4 days ago)
InstallationMedia:

InvalidGrubScript: /etc/grub.d/39_custom /etc/grub.d/40_multisystem /etc/grub.d/25_custom
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic root=UUID=dd382b72-7742-4945-b9e2-19b47b68d189 ro nomdmonddf nomdmonisw crashkernel=384M-:128M verbose lang=en_UK keymap=uk elevator=noop nomdmonddf nomdmonisw crashkernel=384M-:128M
SourcePackage: grub2
Title: package grub-pc (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)

[Brian Murray (brian-murray)]

From DpkgTerminalLog.txt:

Removing grub-pc (2.02~beta2-15) ...
Purging configuration files for grub-pc (2.02~beta2-15) ...
ucfr: Corrupt registry: Duplicate entries for /etc/default/grub
grub-pc /etc/default/grub
grub-pc /etc/default/grub
grub-pc /etc/default/grub
grub-pc /etc/default/grub
grub-pc /etc/default/grub
ucfr: Corrupt registry: Duplicate entries for /etc/default/grub

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]