I was stupid and used Mac OS textedit to open the file and remove the entry not knowing they have to be edited using a proper gconf tool. Now the file is messed up and I could use the original if you don't mind sending. (I'm not a developer) It's located in /etc/gconf/gconf.xml.defaults/system/osso/locks/%gconf.xml Thank you! Edit: It's located here: /etc/gconf/gconf.xml.defaults/system/dsm/osso/locks/%gconf.xml