package acpid 1:2.0.28-1ubuntu1 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

laptop with also independant monitor. laptop screen continually goes black at a random lenght of time.

Wanted to reinstall acpi. caused the report I'm filling right now.

Thanks in advance for your help.

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: acpid 1:2.0.28-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
AptOrdering:
 acpi:amd64: Install
 acpid:amd64: Install
 acpi-support:amd64: Install
 acpica-tools:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Sat Feb 17 21:27:30 2018
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
InstallationDate: Installed on 2017-12-27 (53 days ago)
InstallationMedia: Lubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.1)
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.5.1
SourcePackage: acpid
Title: package acpid 1:2.0.28-1ubuntu1 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
UpgradeStatus: Upgraded to artful on 2017-12-27 (52 days ago)