Изменить ссылку engine/download.php?id=127

require ENGINE_DIR . '/data/config.php';

if ($config['http_home_url'] == "") {
    
    $config['http_home_url'] = explode ( "download.php", $_SERVER['PHP_SELF'] );
    $config['http_home_url'] = reset ( $config['http_home_url'] );
    $config['http_home_url'] = "http://" . $_SERVER['HTTP_HOST'] . $config['http_home_url'];

}

require_once ENGINE_DIR . '/classes/mysql.php';
require_once ENGINE_DIR . '/data/dbconfig.php';
require_once ENGINE_DIR . '/modules/functions.php';

dle_session();

require_once ENGINE_DIR . '/modules/sitelogin.php';
require_once ENGINE_DIR . '/classes/download.class.php';