This is obviously not a crash in unity. The dialog in the screenshot indicates "gtk-logout-helper", reported packages indicates "nautilus", but certainly not unity. Marking it as invalid (in relation to unity).
** Changed in: unity (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/853708 Title: gtk-logout-helper crashes on startup and cannot report crash due to lack of memory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/853708/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs