Bugs against SKYPE should be reported against their bugbase. Ubuntu can't do anything about this, as it is proprietrary third-party- software.
Reading from the logs that the installation language is german I would highly recommend for you to seek help at the german ubuntuusers-forum [1]. Beforehand I can let you have the link to their Community-Wiki regards to Skype [2] [1] https:/www.ubuntuusers.de [2] https://wiki.ubuntuusers.de/Skype/ ** Changed in: qt4-x11 (Ubuntu) Status: New => Incomplete -- 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/1627511 Title: package libqtcore4 (not installed) failed to install/upgrade: Versuch, gemeinsam benutztes »/etc/xdg/Trolltech.conf« zu überschreiben, welches verschieden von anderen Instanzen des Paketes libqtcore4:i386 ist Status in skype package in Ubuntu: Incomplete Bug description: I don't know whether/why there's a problem at all. After booting the system, it showed that there was an error. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libqtcore4 (not installed) ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19 Uname: Linux 4.4.0-38-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 Date: Sun Sep 25 11:05:03 2016 ErrorMessage: Versuch, gemeinsam benutztes »/etc/xdg/Trolltech.conf« zu überschreiben, welches verschieden von anderen Instanzen des Paketes libqtcore4:i386 ist InstallationDate: Installed on 2015-10-16 (345 days ago) InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.12~ubuntu16.04.1 SourcePackage: qt4-x11 Title: package libqtcore4 (not installed) failed to install/upgrade: Versuch, gemeinsam benutztes »/etc/xdg/Trolltech.conf« zu überschreiben, welches verschieden von anderen Instanzen des Paketes libqtcore4:i386 ist UpgradeStatus: Upgraded to xenial on 2016-09-04 (20 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/skype/+bug/1627511/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
