When open Personalize Window (right click) on navigation bar give segmentation fault
(firefox-bin:13573): Gtk-CRITICAL **: gtk_widget_get_parent_window: assertion `GTK_IS_WIDGET (widget)' failed
(firefox-bin:13573): Gdk-CRITICAL **: gdk_pixbuf_get_from_drawable: assertion `src != NULL' failed
(firefox-bin:13573): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_n_channels: assertion `pixbuf != NULL' failed
(firefox-bin:13573): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_bits_per_sample: assertion `pixbuf != NULL' failed
(firefox-bin:13573): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `pixbuf != NULL' failed
(firefox-bin:13573): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `pixbuf != NULL' failed
(firefox-bin:13573): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_rowstride: assertion `pixbuf != NULL' failed
(firefox-bin:13573): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(firefox-bin:13573): Gtk-CRITICAL **: gtk_widget_get_parent: assertion `GTK_IS_WIDGET (widget)' failed
Segmentation Fault
in Ubuntu 9.10 Firefox Segmentation fault
Terminal output: Segmentation fault