package grub-common 2.02~beta2-29ubuntu0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[reed]

No clue. Just following prompts. (I'm not a techie.)

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: grub-common 2.02~beta2-29ubuntu0.2
ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
Uname: Linux 4.2.0-22-generic i686
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
Date: Tue Jan 5 10:48:05 2016
DpkgHistoryLog:
 Start-Date: 2016-01-05 10:47:12
 Commandline: /usr/bin/unattended-upgrade
 Install: linux-image-extra-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-image-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-headers-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-headers-4.2.0-23:i386 (4.2.0-23.28, automatic)
 Upgrade: linux-generic:i386 (4.2.0.22.24, 4.2.0.23.25), linux-libc-dev:i386 (4.2.0-22.27, 4.2.0-23.28), linux-image-generic:i386 (4.2.0.22.24, 4.2.0.23.25), linux-headers-generic:i386 (4.2.0.22.24, 4.2.0.23.25)
DuplicateSignature: package:grub-common:2.02~beta2-29ubuntu0.2:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-22-generic root=/dev/mapper/hostname--vg-root ro splash quiet vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: grub2
Title: package grub-common 2.02~beta2-29ubuntu0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Phillip Susi (psusi)]

You have installed some third party startup/init script named "fruhod" that is broken. You will need to correct or remove it.