Exactly as the error says, file conflict between packages. After noticing this had happened, I reran:
aptitude safe-upgrade and the process completed normally, with both totem-plugins and totem- plugins-extra apparently installed normally. -- package totem-plugins-extra 2.26.1-0ubuntu3 failed to install/upgrade: trying to overwrite `/usr/lib/totem/plugins/coherence_upnp/coherence_upnp.totem-plugin', which is also in package totem-plugins https://bugs.launchpad.net/bugs/358172 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs