package kubuntu-firefox-installer (not installed) failed to install/upgrade: tentative de remplacement de « /usr/share/applications/firefox.desktop », qui appartient aussi au paquet firefox 20.0+build1-0ubuntu0.12.10.3

[Alain Danger]

Error during install, while installing meta-package kubuntu-desktop on a already running and up-to-date ubuntu.

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: kubuntu-firefox-installer (not installed)
ProcVersionSignature: Ubuntu 3.5.0-26.42-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Sat Apr 6 17:36:39 2013
ErrorMessage: tentative de remplacement de « /usr/share/applications/firefox.desktop », qui appartient aussi au paquet firefox 20.0+build1-0ubuntu0.12.10.3
InstallationDate: Installed on 2013-03-23 (14 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: kubuntu-firefox-installer
Title: package kubuntu-firefox-installer (not installed) failed to install/upgrade: tentative de remplacement de « /usr/share/applications/firefox.desktop », qui appartient aussi au paquet firefox 20.0+build1-0ubuntu0.12.10.3
UpgradeStatus: No upgrade log present (probably fresh install)