diff --git a/WEB/Controller/UserController.php b/WEB/Controller/UserController.php
index 1df09f7a..42c9e972 100644
--- a/WEB/Controller/UserController.php
+++ b/WEB/Controller/UserController.php
@@ -172,10 +172,11 @@ class UserController
             global $rep, $vues, $error; //$serverAdress,$port;
             $model = new UserModel();
             // $model->addToQueue();
+            if (! function_exists('pcntl_fork')) die('PCNTL functions not available on this PHP installation');
             require($rep . $vues['queue']);
-            $client = Client::getInstance();
+            //$client = Client::getInstance();
             // new Queuing();
-            $client->Queuing();
+            //$client->Queuing();
         } catch (Exception $e) {
             $error = $e->getMessage();
             require($rep . $vues['erreur']);