tengo un problema de arranque de equipo, despues de instalar la ultima version de ubuntu

[juan angel Mora]

Instale la nueva version de Ubuntu, pero al reiniciarse se me quedaba ploqueado, lo intente a traves del BIOS pidiendole que me reparase lo que podia haber mal y en apariencias fue bien (eso fue ayer), hoy lo vuelvo a encender y me vuelve a pasar lo mismo le pido que me identifique el problema y me dice que es un problema al instalar el software y que esta en el paquete : systemd-shim 9-1bzr4ubuntu1 y hasta ahi se, me podrian ayudar?
Agracias

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: systemd-sysv 237-3ubuntu10.3
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic i686
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: i386
Date: Fri Aug 17 02:50:45 2018
ErrorMessage: installed systemd-shim package post-removal script subprocess returned error exit status 2
InstallationDate: Installed on 2015-09-11 (1073 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release i386 (20131017)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
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: systemd
Title: package systemd-sysv 237-3ubuntu10.3 failed to install/upgrade: installed systemd-shim package post-removal script subprocess returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1773859, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.