Public bug reported: Issue during upgrade from vivid to wiky. I resolved by uninstalling kde- style-qtcurve4 manually.
ProblemType: Package DistroRelease: Ubuntu 15.10 Package: gtk2-engines-qtcurve 1.8.18+git20150711-a3fff13-5 ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0 Uname: Linux 4.2.0-7-generic x86_64 ApportVersion: 2.18.1-0ubuntu1 Architecture: amd64 Date: Sun Sep 6 12:23:34 2015 DuplicateSignature: package:gtk2-engines-qtcurve:1.8.18+git20150711-a3fff13-5:trying to overwrite '/usr/share/themes/QtCurve/mozilla/preferences-rev.xml', which is also in package kde-style-qtcurve4 1.8.18+git20150106.1311+14.10-0ubuntu0 ErrorMessage: trying to overwrite '/usr/share/themes/QtCurve/mozilla/preferences-rev.xml', which is also in package kde-style-qtcurve4 1.8.18+git20150106.1311+14.10-0ubuntu0 RelatedPackageVersions: dpkg 1.18.2ubuntu3 apt 1.0.9.10ubuntu6 SourcePackage: qtcurve Title: package gtk2-engines-qtcurve 1.8.18+git20150711-a3fff13-5 failed to install/upgrade: trying to overwrite '/usr/share/themes/QtCurve/mozilla/preferences-rev.xml', which is also in package kde-style-qtcurve4 1.8.18+git20150106.1311+14.10-0ubuntu0 UpgradeStatus: Upgraded to wily on 2015-09-06 (5 days ago) ** Affects: qtcurve (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package wily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1495073 Title: package gtk2-engines-qtcurve 1.8.18+git20150711-a3fff13-5 failed to install/upgrade: trying to overwrite '/usr/share/themes/QtCurve/mozilla/preferences-rev.xml', which is also in package kde-style-qtcurve4 1.8.18+git20150106.1311+14.10-0ubuntu0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtcurve/+bug/1495073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs