diff --git a/RsyncUI.pro b/RsyncUI.pro
index fdc1433..9096888 100644
--- a/RsyncUI.pro
+++ b/RsyncUI.pro
@@ -1,4 +1,4 @@
-QT	+= core gui concurrent
+QT	+= core gui
 QT	+= KItemViews
 QT	+= KCompletion
 QT	+= widgets
diff --git a/RsyncUI_fr_FR.ts b/RsyncUI_fr_FR.ts
index bffdbc0..15385e9 100644
--- a/RsyncUI_fr_FR.ts
+++ b/RsyncUI_fr_FR.ts
@@ -69,29 +69,24 @@
 <context>
     <name>LoginDialog</name>
     <message>
-        <location filename="login.ui" line="17"/>
         <source>RsyncUI request</source>
-        <translation>Requête RsyncUI</translation>
+        <translation type="vanished">Requête RsyncUI</translation>
     </message>
     <message>
-        <location filename="login.ui" line="51"/>
         <source>Login name</source>
-        <translation>Identifiant</translation>
+        <translation type="vanished">Identifiant</translation>
     </message>
     <message>
-        <location filename="login.ui" line="79"/>
         <source>Enter login</source>
-        <translation>Entrez votre identifiant</translation>
+        <translation type="vanished">Entrez votre identifiant</translation>
     </message>
     <message>
-        <location filename="login.ui" line="86"/>
         <source>Password</source>
-        <translation>Mot de passe</translation>
+        <translation type="vanished">Mot de passe</translation>
     </message>
     <message>
-        <location filename="login.ui" line="102"/>
         <source>Enter password</source>
-        <translation>Entrez votre mot de passe</translation>
+        <translation type="vanished">Entrez votre mot de passe</translation>
     </message>
 </context>
 <context>
@@ -221,32 +216,32 @@
         <translation>Paramètres</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="123"/>
+        <location filename="mainwindow.h" line="125"/>
         <source>KB</source>
         <translation>Ko</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="124"/>
+        <location filename="mainwindow.h" line="126"/>
         <source>MB</source>
         <translation>Mo</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="125"/>
+        <location filename="mainwindow.h" line="127"/>
         <source>GB</source>
         <translation>Go</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="126"/>
+        <location filename="mainwindow.h" line="128"/>
         <source>TB</source>
         <translation>To</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="127"/>
+        <location filename="mainwindow.h" line="129"/>
         <source>PB</source>
         <translation>Po</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="61"/>
+        <location filename="mainwindow.cpp" line="59"/>
         <source>You click on file to enqueue it, and RyncUI Download one file a time</source>
         <oldsource>Client for rsync server&lt;br&gt;&lt;br&gt;You click on file to enqueue it, and RyncUI Download one file a time</oldsource>
         <translation>&lt;h3&gt;Utilisation&lt;/h3&gt;
@@ -279,92 +274,97 @@ Cliquez sur un fichier pour le supprimer de la file et une fenêtre de confirmat
     Permet de quitter le programme</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="78"/>
+        <location filename="mainwindow.cpp" line="75"/>
         <source>Path</source>
         <translation>Chemin</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="78"/>
+        <location filename="mainwindow.cpp" line="75"/>
         <source>Size</source>
         <translation>Taille</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="78"/>
+        <location filename="mainwindow.cpp" line="75"/>
         <source>Type</source>
         <translation>Type</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="78"/>
+        <location filename="mainwindow.cpp" line="75"/>
         <source>Date</source>
         <translation>Date</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="105"/>
+        <location filename="mainwindow.cpp" line="102"/>
         <source>KB/s</source>
         <translation>Ko/s</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="105"/>
+        <location filename="mainwindow.cpp" line="102"/>
         <source>MB/s</source>
         <translation>Mo/s</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="105"/>
+        <location filename="mainwindow.cpp" line="102"/>
         <source>GB/s</source>
         <translation>Go/s</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="105"/>
+        <location filename="mainwindow.cpp" line="102"/>
         <source>TB/s</source>
         <translation>To/s</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="105"/>
+        <location filename="mainwindow.cpp" line="102"/>
         <source>PB/s</source>
         <translation>Po/s</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="123"/>
+        <location filename="mainwindow.cpp" line="120"/>
         <source>A list of interrupted downloads exists, do you want to continue downloading ? if not the list will be cleared</source>
         <translation>Une liste de téléchargement existe, voulez-vous utiliser cette liste ? si non, elle sera effacée</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="152"/>
+        <location filename="mainwindow.cpp" line="149"/>
         <source>&amp;Quit</source>
         <translation>&amp;Quitter</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="209"/>
+        <location filename="mainwindow.cpp" line="206"/>
         <source>Clicking Save button, You can save the list of downloads
 </source>
         <translation>Vous pouvez enregistrer la liste des téléchargements en cliquant sur &quot;enregister&quot;
 </translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="215"/>
+        <location filename="mainwindow.cpp" line="212"/>
         <source>Exiting will stop downloading, and will clear the download queue.
 Do you want to exit ?</source>
         <translation>Si vous sortez, les téléchargements seront arrêter.
 Voulez-vous vraiment sortir ?</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="253"/>
+        <location filename="mainwindow.cpp" line="250"/>
         <source>The program will keep running in the system tray. To terminate the program, choose &lt;b&gt;Quit&lt;/b&gt; in the context menu of the system tray entry.</source>
         <translation>Le programme continue dans la boîte à miniatures. Pour quitter le programme cliquez sur l&apos;icône &lt;b&gt;Quitter&lt;/b&gt; ou dans les menu contextuel.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="513"/>
+        <location filename="mainwindow.cpp" line="551"/>
+        <source>Authentication failed</source>
+        <translation>Mauvais mot de passe ou utilisateur</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="604"/>
         <source>The processus does&apos;nt respond: </source>
         <translation>Le processus ne répond pas: </translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="599"/>
+        <location filename="mainwindow.cpp" line="690"/>
         <source>server does not exists</source>
         <translation>Le serveur n&apos;existe pas</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="633"/>
-        <location filename="mainwindow.cpp" line="745"/>
+        <location filename="mainwindow.cpp" line="726"/>
+        <location filename="mainwindow.cpp" line="886"/>
         <source>Dir</source>
         <translation>dossier</translation>
     </message>
@@ -373,146 +373,161 @@ Voulez-vous vraiment sortir ?</translation>
         <translation type="vanished">Doc</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="773"/>
+        <location filename="mainwindow.cpp" line="914"/>
         <source>File is partially downloaded. Do you want to resume download ? if no, the file will be deleted from destination directory</source>
         <translation>Le document est déjà partiellement téléchargé. Voulez vous continuer le téléchargemnt ? Si non, il sera supprimer du dossier de destination</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="790"/>
+        <location filename="mainwindow.cpp" line="931"/>
         <source>File is already downloaded. Do you want to reload it ? The old file will be deleted</source>
         <translation>Le document est déjà téléchargé. Voulez-vous le télécharger à nouveau ? L&apos;ancien fichier sera effacé</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="827"/>
+        <location filename="mainwindow.cpp" line="968"/>
         <source>File is already downloading</source>
         <translation>Le document est déjà en téléchargement</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="852"/>
+        <location filename="mainwindow.cpp" line="998"/>
         <source>Starting downloading
 </source>
         <translation>Démarrage du téléchargement
 </translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="867"/>
+        <location filename="mainwindow.cpp" line="1013"/>
         <source>finished</source>
         <translation>Terminé</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="877"/>
+        <location filename="mainwindow.cpp" line="1023"/>
         <source>Rsync process crashed</source>
         <translation>Le processus rsync à planté</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="884"/>
+        <location filename="mainwindow.cpp" line="1030"/>
         <source>stopped by user</source>
         <translation>stoppé par l&apos;utilisateur</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="895"/>
+        <location filename="mainwindow.cpp" line="1041"/>
         <source>
 Do you want to retry?</source>
         <translation>
 Voulez-vous ré-essayer?</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="904"/>
+        <location filename="mainwindow.cpp" line="1050"/>
         <source>Download </source>
         <translation>Téléchargement </translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1257"/>
         <source>RsyncUI Request</source>
-        <translation>Requête RsyncUI</translation>
+        <translation type="vanished">Requête RsyncUI</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1258"/>
+        <location filename="mainwindow.cpp" line="1391"/>
         <source>Hidden service name</source>
         <translation>Nom du servcice caché</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="56"/>
+        <location filename="mainwindow.cpp" line="54"/>
         <source>Version</source>
         <translation>Version</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="55"/>
+        <location filename="mainwindow.cpp" line="53"/>
         <source>&lt;h2&gt;Client for rsync server&lt;/h2&gt;</source>
         <translation>&lt;h2&gt;Client pour serveur rsync&lt;/h2&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="57"/>
+        <location filename="mainwindow.cpp" line="55"/>
         <source>Licence</source>
         <translation>License</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="58"/>
+        <location filename="mainwindow.cpp" line="56"/>
         <source>Author</source>
         <translation>Auteur</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="59"/>
+        <location filename="mainwindow.cpp" line="57"/>
         <source>EMail</source>
         <translation>Courriel</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="60"/>
+        <location filename="mainwindow.cpp" line="58"/>
         <source>Source code</source>
         <translation>Code source</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1073"/>
+        <location filename="mainwindow.cpp" line="821"/>
+        <source>Select the user you want to connect with or enter a new one</source>
+        <translation>Choisissez l&apos;utilisateur avec lequel vous voulez vous connecter ou entrez en un nouveau</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="834"/>
+        <location filename="mainwindow.cpp" line="1390"/>
+        <source> Request</source>
+        <translation> Requête de mot de passe</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="835"/>
+        <source>Enter password</source>
+        <translation>Entrez votre mot de passe</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="1225"/>
         <source>Since the save path is linked to service, you need to select a service before you can select a folder</source>
         <translation>Vous devez sélectionnez un service pour pouvoir sélectionnez un dossier par défaut</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1078"/>
+        <location filename="mainwindow.cpp" line="1230"/>
         <source>Choose folder where to save file</source>
         <translation>Choisissez un dossier où enregistrer le document</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="969"/>
+        <location filename="mainwindow.cpp" line="1121"/>
         <source>Do you want to stop downloading and delete this file from download queue ?</source>
         <translation>Voulez-vous arrêter le téléchargement et enlever ce fichier de la file de téléchargement ?</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="983"/>
+        <location filename="mainwindow.cpp" line="1136"/>
         <source>Do you want to delete this file from download queue ?</source>
         <translation>Voulez-vous enlever ce fichier de la file de téléchargement ?</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="122"/>
+        <location filename="mainwindow.h" line="124"/>
         <source>B</source>
         <translation>o</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="139"/>
+        <location filename="mainwindow.h" line="141"/>
         <source>The process failed to start. Either the invoked program is missing, or you may have insufficient permissions or resources to invoke the program.</source>
         <translation>Le processus échoué, soit le programme est manquant, soit vous n&apos;avez pas l&apos;autorisation de l&apos;exécuter.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="140"/>
+        <location filename="mainwindow.h" line="142"/>
         <source>The process crashed some time after starting successfully.</source>
         <translation>Le processus à planté après avoir démarré avec succès.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="141"/>
+        <location filename="mainwindow.h" line="143"/>
         <source>The last waitFor...() function timed out. The state of QProcess is unchanged, and you can try calling waitFor...() again.</source>
         <translation>La fonction waitFor...() a dépassé la limite de temps, you pouvez essayer de la relancer.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="142"/>
+        <location filename="mainwindow.h" line="144"/>
         <source>An error occurred when attempting to write to the process. For example, the process may not be running, or it may have closed its input channel.</source>
         <translation>Une erreur est survenue lors de l&apos;envoi des données vers le processus. Le processus est peut être arrté ou il a fermé son canal d&apos;entrée.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="143"/>
+        <location filename="mainwindow.h" line="145"/>
         <source>An error occurred when attempting to read from the process. For example, the process may not be running.</source>
         <translation>Une erreur est survenue lors de la lecturee de données, le processus est probablement arrêté.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="144"/>
+        <location filename="mainwindow.h" line="146"/>
         <source>An unknown error occurred. This is the default return value of error().</source>
         <translation>Une erreur inconnue est survenue. C&apos;est la valeur de retour par défaut de error().</translation>
     </message>
@@ -520,87 +535,87 @@ Voulez-vous ré-essayer?</translation>
 <context>
     <name>QTranslator</name>
     <message>
-        <location filename="mainwindow.cpp" line="12"/>
+        <location filename="mainwindow.cpp" line="13"/>
         <source>Success. The rsync command completed successfully without any errors.</source>
         <translation>Succès. La command rsync s&apos;est terminée sans erreurs.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="13"/>
+        <location filename="mainwindow.cpp" line="14"/>
         <source>Syntax or usage error. There was a problem with the syntax of the rsync command or with the options specified.</source>
         <translation>Erreur de syntaxe ou d&apos;usage. il y a un problème avec la synaxe de rsync ou avec les paramètres spécifiés.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="14"/>
+        <location filename="mainwindow.cpp" line="15"/>
         <source>Protocol incompatibility. There was a problem with the protocol version or negotiation between the rsync client and server.</source>
         <translation>Incompatibilité de protocole. Il y a eu un problème avec la version du protocole ou la négotiation avec le serveur rsync.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="15"/>
+        <location filename="mainwindow.cpp" line="16"/>
         <source>Errors selecting input/output files, dirs. There was a problem with the source or destination file or directory specified in the rsync command.</source>
         <translation>Erreurs dans la sélection des fichiers ou dossiers. il y a eu une problème avec le fichier/dossier source ou destination spécifié.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="16"/>
+        <location filename="mainwindow.cpp" line="17"/>
         <source>Requested action not supported: An attempt was made to use an unsupported action or option.</source>
         <translation>Action non suportée. Une tentative d&apos;utiliser une action, ou une option, non supportée à été faite.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="17"/>
+        <location filename="mainwindow.cpp" line="18"/>
         <source>Error starting client-server protocol. There was an error starting the client-server protocol.</source>
         <translation>Erreur de démarrage du protocole client-seveur. Il ya eu une erreur en démarrant le protocole slient-serveur.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="18"/>
+        <location filename="mainwindow.cpp" line="19"/>
         <source>Daemon unable to append to log-file. The rsync daemon was unable to write to its log file.</source>
         <translation>Le démon rsyncd n&apos;arrive pas écrire dans son fichier de log.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="19"/>
+        <location filename="mainwindow.cpp" line="20"/>
         <source>Error in socket I/O. There was an error with the socket input/output.</source>
         <translation>Erreur d&apos;entrée/sortie socket. Il y a eu une erreur d&apos;entrée/sortie sur le socket.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="20"/>
+        <location filename="mainwindow.cpp" line="21"/>
         <source>Error in file I/O. There was an error reading or writing to a file.</source>
         <translation>Erreur de &apos;entrée/sortie. Il y a eu une erreur de lecture/écriture sur un fichier.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="21"/>
+        <location filename="mainwindow.cpp" line="22"/>
         <source>Error in rsync protocol data stream. There was an error in the rsync protocol data stream.</source>
         <translation>Erreur dans le protocole de flux de données de rsync.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="22"/>
+        <location filename="mainwindow.cpp" line="23"/>
         <source>Errors with program diagnostics. There was an error generating program diagnostics.</source>
         <translation>Erreur avec les diagnostiques du programme.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="23"/>
+        <location filename="mainwindow.cpp" line="24"/>
         <source>Error in IPC code. There was an error in the inter-process communication (IPC) code.</source>
         <translation>Erreur dans le code IPC. IL y a eu une erreur dans la communication inter-processus.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="24"/>
+        <location filename="mainwindow.cpp" line="25"/>
         <source>Received SIGUSR1 or SIGINT. The rsync process was interrupted by a signal.</source>
         <translation>Reçu les signaux SIGUSR1 ou SIGINT. Le processus rsync a été interrompu par un signal.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="25"/>
+        <location filename="mainwindow.cpp" line="26"/>
         <source>Some error returned by waitpid(). An error occurred while waiting for a child process to complete.</source>
         <translation>Erreurs retournées par waitpid().Une erreur est survenue pendant l&apos;attente de la complétion du processus fils.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="26"/>
+        <location filename="mainwindow.cpp" line="27"/>
         <source>Error allocating core memory buffers. There was an error allocating memory buffers.</source>
         <translation>Erreur d&apos;allocation des buffers mémoire.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="27"/>
+        <location filename="mainwindow.cpp" line="28"/>
         <source>Partial transfer due to error. The rsync command completed with an error, but some files may have been transferred successfully.</source>
         <translation>Transfert partiel due à une erreur. La command rsync s&apos;est terminée avec une erreur, mais des fichiers on été transférés avec succès.</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="28"/>
+        <location filename="mainwindow.cpp" line="29"/>
         <source>Partial transfer due to vanished source files. Some source files disappeared before they could be transferred.</source>
         <translation>Transfert partiel dû à la disparition des fichiers source. Des fichiers source ont disparu avec d&apos;avoir été transférés.</translation>
     </message>
diff --git a/mainwindow.cpp b/mainwindow.cpp
index e6a81da..10bcb42 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -383,7 +383,8 @@ bool MainWindow::testServicePresence(QString service, bool askPassword)
     QStringList v;
     QProcess *myProcess;
     bool returnValue = false;
-    QEventLoop loop;
+    int loop =0;
+    bool r = false;
 
     cmd  = "/usr/bin/rsync";
     param << "--contimeout=10" << "-nq" << "--port=" + QString::number(this->connexion.port) << this->connexion.server + "::" + service;
@@ -405,9 +406,10 @@ bool MainWindow::testServicePresence(QString service, bool askPassword)
             }
             if (line.contains("auth failed"))
             {
-                if (askPassword)
+                if (askPassword == true and loop >=2 and r == true)
                 {
-                    getUserPassword(&this->connexion);
+                    r = getUserPassword(&this->connexion);
+                    loop++;
                 }
                 returnValue = true;
             }
@@ -487,6 +489,8 @@ bool MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
     bool readOk = false;
     bool passwdOk = false;
     int nChild = 0;
+    bool r;
+    static uint looping;
 
     myProcess = new QProcess(this);
     myProcess->setProcessChannelMode(QProcess::MergedChannels);
@@ -531,9 +535,23 @@ bool MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
                     }
                     if (line.contains("auth failed"))
                     {
-                        myProcess->readAllStandardOutput();
-                        getUserPassword(&this->connexion);
-                        return 0;
+                            myProcess->readAllStandardOutput();
+                            r = getUserPassword(&this->connexion);
+                            if (looping <= 1)
+                            {
+                                this->rescan = true;
+                                looping++;
+                            }else
+                            {
+                                this->rescan = false;
+                                looping = 0;
+                                QMessageBox::warning(
+                                                this,
+                                                a.applicationName(),
+                                                tr("Authentication failed" )
+                                            );
+                            }
+                            return false;
                     }
 
                     // extracting name, size and if is dir/file
@@ -593,7 +611,7 @@ bool MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
         testRsyncReturn(this, myProcess);
         myProcess->close();
     }
-    return 0;
+    return false;
 }
 
 // Verify if server address is IP address
@@ -609,7 +627,7 @@ bool MainWindow::isIpAddress(QString server)
         for (auto element : r)
         {
             elementN = element.toInt(&ok);
-            if (elementN < 0 or elementN > 255 or ok == false)
+            if ((elementN < 0) or (elementN > 255) or ok == false)
             {
                 return false;
             }
@@ -777,8 +795,8 @@ void MainWindow::preparePopulateTree()
 bool MainWindow::getUserPassword(Connexion * object)
 {
     QStringList logins;
-    QString login;
-    QString password;
+    QString login = "";
+    QString password = "";
     QString server;
     QString service;
     int c;
@@ -820,10 +838,12 @@ bool MainWindow::getUserPassword(Connexion * object)
                 if (!ok or password.isEmpty())
                 {
                     password = "";
+                    returnValue = false;
                 }
             }else
             {
                 password = getPassword(login);
+                returnValue = true;
             }
             object->user = login;
             object->password = password;
@@ -955,6 +975,7 @@ void MainWindow::on_treeWidget_itemClicked(QTreeWidgetItem *item, bool downloadD
         {
             scanDir(this->connexion.server, this->connexion.port, item,  this->connexion.service + "/" + path +"/");
             item->setExpanded(true);
+
         }
     }