In the meantime, you can remove planetpenguin-racer-gimp-dev or extremetuxracer-gimp-dev to be able to use apt again.
-- package planetpenguin-racer-gimp-dev None [modified: /var/lib/dpkg/info/planetpenguin-racer-gimp-dev.list] failed to install/upgrade: trying to overwrite `/usr/share/gimp/2.0/palettes/PPRacer---Default.gpl', which is also in package extremetuxracer-gimp-dev https://bugs.launchpad.net/bugs/237830 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