/usr/bin/nautilus:11:delete_outdated_error_traps:gdk_x11_display_error_trap_push:get_net_supporting_wm_check:fetch_net_wm_check_window:gdk_x11_screen_supports_net_wm_hint

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding nautilus. This problem was most recently seen with package version 1:41.2-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/b08214abbd45a512fd85cd586ff646af50a1e2bc contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.