The version currently installed (3.2.0-1~yakkety0) seems to not be from the official Ubuntu repositories, so this isn't a bug in Ubuntu. You'd have to ask the person who made that package to provide a fix. Uninstalling and installing from the official repository might work as well.
** Changed in: nemo (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1645566 Title: package nemo (not installed) failed to install/upgrade: trying to overwrite '/usr/share/polkit-1/actions/org.nemo.root.policy', which is also in package nemo-data 3.2.0-1~yakkety0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nemo/+bug/1645566/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs