I simply renamed the offending debian.gz file to debian.gzx via root actions in Dolphin and then fixed broken packages in synaptic.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1374561 Title: package libnss3 2:3.16.3-1ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libnss3/changelog.Debian.gz', which is different from other instances of package libnss3:amd64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nss/+bug/1374561/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs