public function checkUpdatesSettings()
    {
        $ret = true;
        foreach ($this->_updates as $update) {
            $e = false;
            try {
                $update->checkSettings();
            } catch (Exception $e) {
                throw $e; //no special handling for now, maybe something better should be done
                $ret = false;
            }
        }
        return $ret;
    }