package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10

[Akib ibna sunny]

i have a information

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-pc 2.02-2ubuntu8.2
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Mon Aug 13 17:46:03 2018
DuplicateSignature:
 package:grub-pc:2.02-2ubuntu8.2
 Setting up grub-pc (2.02-2ubuntu8.2) ...
 dpkg: error processing package grub-pc (--configure):
  installed grub-pc package post-installation script subprocess returned error exit status 10
ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 10
InstallationDate: Installed on 2018-07-13 (31 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-29-generic root=UUID=8ddf85dd-0d0c-4e66-8dcb-599566e605f5 ro quiet splash vt.handoff=1
Python3Details: /usr/bin/python3.6, Python 3.6.5, unpackaged
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.3
SourcePackage: grub2
Title: package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

Please run sudo nano /var/lib/dpkg/info/grub-pc.postinst and change the line that says "set -e" to "set -ex", then sudo apt-get install -f to run it again and post the output.

[michelinux (mich-delbianco)]

Hello, I think I got the same problem with different packages, i.e. unattended-upgrades:

Configurazione di unattended-upgrades (1.1ubuntu1.18.04.5)...
+ . /usr/share/debconf/confmodule
+ [ ! ]
+ PERL_DL_NONLAZY=1
+ export PERL_DL_NONLAZY
+ [ ]
+ exec /usr/share/debconf/frontend /var/lib/dpkg/info/unattended-upgrades.postinst configure 1.1ubuntu1
+ . /usr/share/debconf/confmodule
+ [ ! 1 ]
+ [ -z ]
+ exec
+ [ ]
+ exec
+ DEBCONF_REDIR=1
+ export DEBCONF_REDIR
+ [ -d /var/log/unattended-upgrades ]
+ chown root:adm /var/log/unattended-upgrades
+ chmod 0750 /var/log/unattended-upgrades
+ [ -e /etc/pm/sleep.d/10_unatteded-upgrades-hibernate ]
+ db_get unattended-upgrades/enable_auto_updates
+ _db_cmd GET unattended-upgrades/enable_auto_updates
+ _db_internal_IFS=

+ IFS=
+ printf %s\n GET unattended-upgrades/enable_auto_updates
+ IFS=

+ IFS=
 read -r _db_internal_line
+ RET=true
+ return 0
+ CONFIG=/etc/apt/apt.conf.d/20auto-upgrades
+ [ true = true ]
+ NEWFILE=/usr/share/unattended-upgrades/20auto-upgrades
+ ucf --three-way --debconf-ok /usr/share/unattended-upgrades/20auto-upgrades /etc/apt/apt.conf.d/20auto-upgrades
dpkg: errore nell'elaborare il pacchetto unattended-upgrades (--configure):
 installed unattended-upgrades package post-installation script subprocess returned error exit status 10
Si sono verificati degli errori nell'elaborazione:
 unattended-upgrades
E: Sub-process /usr/bin/dpkg returned an error code (1)

[Launchpad Janitor (janitor)]

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