load_config();
// exit if installation is complete
if ($RCI->configured && !$RCI->getprop('enable_installer') && !$_SESSION['allowinstaller']) {
header("HTTP/1.0 404 Not Found");
echo '
The installer is disabled!
';
echo '
To enable it again, set $rcmail_config[\'enable_installer\'] = true; in config/main.inc.php