soulution that worked for me is: sudo mv /etc/xdg/sni-qt.conf /etc/xdg/sni-qt.conf.backup sudo apt -f install and update of package sni-qt worked
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to sni-qt in Ubuntu. https://bugs.launchpad.net/bugs/1576476 Title: package sni-qt (not installed) failed to install/upgrade: trying to overwrite shared '/etc/xdg/sni-qt.conf', which is different from other instances of package sni-qt:amd64 Status in One Hundred Papercuts: Confirmed Status in sni-qt package in Ubuntu: Confirmed Bug description: IDK ProblemType: Package DistroRelease: Ubuntu 16.04 Package: sni-qt (not installed) ProcVersionSignature: Ubuntu 4.4.0-22.38-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Thu Apr 28 23:33:40 2016 ErrorMessage: trying to overwrite shared '/etc/xdg/sni-qt.conf', which is different from other instances of package sni-qt:amd64 InstallationDate: Installed on 2016-03-24 (35 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.10ubuntu1 SourcePackage: sni-qt Title: package sni-qt (not installed) failed to install/upgrade: trying to overwrite shared '/etc/xdg/sni-qt.conf', which is different from other instances of package sni-qt:amd64 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/1576476/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp