That version is now dead http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml
** Changed in: qt4-x11 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qt4-x11 in Ubuntu. https://bugs.launchpad.net/bugs/1733613 Title: package libqtcore4 (not installed) failed to install/upgrade: tentative de remplacement de « /etc/xdg/Trolltech.conf », qui est différent d'autres instances du paquet libqtcore4:amd64 Status in qt4-x11 package in Ubuntu: Invalid Bug description: impossible d'installé un logitiel ou de mettre à jour ubuntu ProblemType: Package DistroRelease: Ubuntu 17.04 Package: libqtcore4 (not installed) ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17 Uname: Linux 4.10.0-33-generic x86_64 ApportVersion: 2.20.4-0ubuntu4.5 AptOrdering: libqtcore4:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Tue Nov 21 15:46:43 2017 DpkgHistoryLog: Start-Date: 2017-11-21 15:46:40 Commandline: apt-get install -f Requested-By: utilisateur (1000) Install: libqtcore4:amd64 (4:4.8.7+dfsg-7ubuntu1, automatic) ErrorMessage: tentative de remplacement de « /etc/xdg/Trolltech.conf », qui est différent d'autres instances du paquet libqtcore4:amd64 InstallationDate: Installed on 2017-06-29 (144 days ago) InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412) RelatedPackageVersions: dpkg 1.18.10ubuntu2 apt 1.4 SourcePackage: qt4-x11 Title: package libqtcore4 (not installed) failed to install/upgrade: tentative de remplacement de « /etc/xdg/Trolltech.conf », qui est différent d'autres instances du paquet libqtcore4:amd64 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/1733613/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp