Description of problem: I opened Caja-Actions Configuration Tool, clicked on New Action, then I've licked on Quit. It asked me if I am sure I want to quit, as I have unsaved actions. I clicked Yes and it crashed. Version-Release number of selected component: caja-actions-1.8.1-2.fc24 Additional info: reporter: libreport-2.6.4 backtrace_rating: 4 cmdline: caja-actions-config-tool crash_function: g_type_check_instance_is_fundamentally_a executable: /usr/bin/caja-actions-config-tool global_pid: 1962 kernel: 4.5.0-0.rc7.git0.2.fc24.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #0 g_type_check_instance_is_fundamentally_a at gtype.c:4033 #1 instance_dispose at base-window.c:529 #3 cact_main_window_quit at cact-main-window.c:1356 #8 _gtk_action_emit_activate at gtkaction.c:795 #9 gtk_action_activate at gtkaction.c:826 #10 button_clicked at gtktoolbutton.c:771 #11 _g_closure_invoke_va at gclosure.c:867 #14 gtk_real_button_released at gtkbutton.c:1712 #15 _g_closure_invoke_va at gclosure.c:867 #18 gtk_button_button_release at gtkbutton.c:1604 Potential duplicate: bug 1204574
Created attachment 1144909 [details] File: backtrace
Created attachment 1144910 [details] File: cgroup
Created attachment 1144911 [details] File: core_backtrace
Created attachment 1144912 [details] File: dso_list
Created attachment 1144913 [details] File: environ
Created attachment 1144914 [details] File: exploitable
Created attachment 1144915 [details] File: limits
Created attachment 1144916 [details] File: maps
Created attachment 1144917 [details] File: mountinfo
Created attachment 1144918 [details] File: namespaces
Created attachment 1144919 [details] File: open_fds
Created attachment 1144920 [details] File: proc_pid_status
Created attachment 1144921 [details] File: var_log_messages
glib2 version? This issue was gone here with stable glib2 version. [rave@mother ~]$ rpm -qa glib2 glib2-2.48.0-1.fc24.x86_64