public function showUserWarningAction()
    {
        Mage::getModel('core/config')
            ->saveConfig(Aoe_Scheduler_Helper_Data::XML_PATH_SHOW_WRONG_USER_MSG, 1);
        $this->_getSession()->addSuccess($this->__('You will be alerted about misconfigured cron users again.'));
        $this->_redirectReferer();
    }