pref("app.update.enabled", false);
pref("app.update.autoInstallEnabled", false);
pref("browser.display.use_system_colors",   true);
pref("browser.link.open_external",          3);
pref("browser.zoom.full", false);
pref("general.smoothScroll", false);
pref("general.autoScroll", false);
pref("middlemouse.contentLoadURL", false);
pref("general.useragent.vendor", "XUL_SLK_DIST");
pref("general.useragent.vendorSub", "XUL_SLK_VR");
pref("intl.locale.matchOS", true);
pref("network.manage-offline-status", true);
pref("toolkit.networkmanager.disable", false);
pref("toolkit.storage.synchronous", 0);

.