(gnome-settings-daemon:1181): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(polkit-gnome-authentication-agent-1:1282): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(polkit-gnome-authentication-agent-1:1282): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(polkit-gnome-authentication-agent-1:1282): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(canberra-gtk-play:1284): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(gnome-settings-daemon:1181): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(gnome-settings-daemon:1181): GLib-CRITICAL **: g_variant_get_type_string: assertion `value != NULL' failed
(nautilus:1283): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(nautilus:1283): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_new: assertion `width > 0' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1249): GdkPixbuf-CRITICAL **: gdk_pixbuf_fill: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(unity-window-decorator:1395): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(unity-window-decorator:1395): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(unity-window-decorator:1395): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(unity-window-decorator:1395): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(applet.py:1470): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(applet.py:1470): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(applet.py:1470): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(applet.py:1470): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(ubuntuone-launch:1472): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(ubuntuone-launch:1472): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(ubuntuone-launch:1472): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(ubuntuone-launch:1472): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(nautilus:1283): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed
(nautilus:1283): GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed
(nautilus:1283): GLib-CRITICAL **: g_variant_get_boolean: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)' failed
(firefox:1612): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(firefox:1612): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(firefox:1612): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(firefox:1612): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_new: assertion `width > 0' failed
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(compiz:1721): GdkPixbuf-CRITICAL **: gdk_pixbuf_fill: assertion `GDK_IS_PIXBUF (pixbuf)' failed