G-S-M doesn't start with : GLib-GIO-ERROR **: schema does not contain a key named 'cpu-color4' as error. This should happen only on systems with core > 4 Reproducible: Always Adding more cpu_color in org.gnome.gnome-system-monitor.gschema.xml.in as a workaround
*** This bug has been marked as a duplicate of bug 355395 ***