Yes: cat ~/.xsession-errors |grep xfce4
** (xfce4-xfapplet-plugin:10695): WARNING **: Failed to load applet 'OAFIID:GNOME_MultiLoadApplet' (can't get CORBA object): Failed to resolve, or extend '!prefs_key=/apps/xfapplet/applet_20/prefs;orient=down;size=small
Yes: cat ~/.xsession-errors |grep xfce4
** (xfce4- xfapplet- plugin: 10695): WARNING **: Failed to load applet 'OAFIID: GNOME_MultiLoad Applet' (can't get CORBA object): Failed to resolve, or extend '!prefs_ key=/apps/ xfapplet/ applet_ 20/prefs; orient= down;size= small