// IMPORTANT: Start your code on the 2nd line lockPref("app.update.enabled", false); lockPref("app.update.auto", false); lockPref("app.update.mode", 0); lockPref("app.update.service.enabled", false); pref("browser.rights.3.shown", true); pref("browser.startup.homepage_override.mstone","ignore"); lockPref("plugins.hide_infobar_for_outdated_plugin", true); clearPref("plugins.update.url");