Thanks for the reply srdjan. As this bug report and all of its duplicates refer to Ubuntu 16.04, which is no longer supported, I'll close this as "Invalid". It may well have been fixed in that release but it's not worth the trouble to ascertain whether it was or not.
** Changed in: hundredpapercuts Status: Incomplete => Invalid ** Changed in: qt4-x11 (Ubuntu) Status: Incomplete => 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/1578430 Title: package libqtcore4 4:4.8.7+dfsg-5ubuntu2 failed to install/upgrade: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:i386 Status in One Hundred Papercuts: Invalid Status in qt4-x11 package in Ubuntu: Invalid Bug description: Happened while installing skype ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libqtcore4 4:4.8.7+dfsg-5ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Wed May 4 19:07:03 2016 DuplicateSignature: Unpacking libqtcore4:i386 (4:4.8.7+dfsg-5ubuntu2) ... dpkg: error processing archive /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_i386.deb (--unpack): trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:i386 ErrorMessage: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:i386 InstallationDate: Installed on 2016-04-10 (24 days ago) InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.10ubuntu1 SourcePackage: qt4-x11 Title: package libqtcore4 4:4.8.7+dfsg-5ubuntu2 failed to install/upgrade: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:i386 UpgradeStatus: Upgraded to xenial on 2016-04-22 (12 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/1578430/+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