protected function installHttp()
    {
        $result = array(
            'message' => '',
            'severity' => 'success',
            'redirect' => 'install/' . ($this->data['step'] + 1)
        );

        try {

            $this->start();
            $this->process();

        } catch (Exception $ex) {
            $result = array(
                'redirect' => '',
                'severity' => 'warning',
                'message' => $ex->getMessage()
            );
        }

        return $result;
    }