package python-aptdaemon.gtk3widgets 1.1.1+bzr982-0ubuntu3 failed to install/upgrade: sub-processo novo script pre-removal retornou estado de saída de erro 1

[Afonso Spinelli]

Erros foram encontrados durante o processamento de:
 /var/cache/apt/archives/python-aptdaemon.gtk3widgets_1.1.1+bzr982-0ubuntu3.1_all.deb
 /var/cache/apt/archives/python-aptdaemon_1.1.1+bzr982-0ubuntu3.1_all.deb
 software-center
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-i386_Packages)
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-i386_Packages)
W: Você terá que executar apt-get update para corrigir estes problemas
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: python-aptdaemon.gtk3widgets 1.1.1+bzr982-0ubuntu3
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Wed Jun 17 09:20:44 2015
DuplicateSignature: package:python-aptdaemon.gtk3widgets:1.1.1+bzr982-0ubuntu3:sub-processo novo script pre-removal retornou estado de saída de erro 1
ErrorMessage: sub-processo novo script pre-removal retornou estado de saída de erro 1
InstallationDate: Installed on 2015-02-17 (119 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.1
SourcePackage: aptdaemon
Title: package python-aptdaemon.gtk3widgets 1.1.1+bzr982-0ubuntu3 failed to install/upgrade: sub-processo novo script pre-removal retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)