package init 1.22ubuntu11 failed to install/upgrade: pre-dependency problem - not installing init (not aturized to anything)

[Vemund Sjøvold Sundal]

i updated ubuntu and got some errors under update.
then i had problem turning the pc off, and it said i was not authorized to do almost anything

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: init (not installed)
ProcVersionSignature: Ubuntu 3.19.0-33.38-generic 3.19.8-ckt7
Uname: Linux 3.19.0-33-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.7
Architecture: amd64
Date: Wed Nov 11 14:10:43 2015
DuplicateSignature: package:init:1.22ubuntu11:pre-dependency problem - not installing init
ErrorMessage: pre-dependency problem - not installing init
InstallationDate: Installed on 2015-11-11 (0 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.2
SourcePackage: init-system-helpers
Title: package init 1.22ubuntu11 failed to install/upgrade: pre-dependency problem - not installing init
UpgradeStatus: Upgraded to vivid on 2015-11-11 (0 days ago)