$ avant-window-navigator

(process:11522): GLib-GObject-CRITICAL **: gtype.c:2242: initialization assertion failed, use IA__g_type_init() prior to this function

(process:11522): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed

(process:11522): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed
Segmentation fault
trench@aceman ~ $