diff --git a/MConnectSDK/MConnectClient.cs b/MConnectSDK/MConnectClient.cs
index 56a2a25..1dbbe8c 100644
--- a/MConnectSDK/MConnectClient.cs
+++ b/MConnectSDK/MConnectClient.cs
@@ -328,10 +328,14 @@ namespace MConnectSDK
         }
         catch
         { }
+        // bonifico eventuali null...
+        answ.RemoveAll(item => item == null);
         return answ;
       }
       set
       {
+        value.RemoveAll(item => item == null);
+        value.Sort();
         string serVal = JsonConvert.SerializeObject(value);
         ML.setRSV(ML.redHash("UserListCache"), serVal);
       }
@@ -1035,29 +1039,8 @@ namespace MConnectSDK
       Image userImg = null;
       UserStatus currStatus = UserStatus.NOT_IMPORTED;
       // recupero effettivi dati utente e restituisco...
-      Parallel.ForEach(resp.result, item =>
+      foreach (var item in resp.result)
       {
-        // se richiesto aggiungo immagine...
-        if (getImages)
-        {
-          userImg = null;
-          try
-          {
-            // creo obj userData...   SE HO immagine...
-            if (item.Image_Url != "")
-            {
-              var imgRes = Task.Run(() => Utils.getImageAsync(pageUrlImgDownload, item.Image_Url));
-              imgRes.Wait();
-              if (imgRes.Result != null)
-              {
-                userImg = imgRes.Result;
-              }
-            }
-          }
-          catch
-          {
-          }
-        }
         // verifica SE FOSSE GIA' esistente --> tengo STATUS...         
         resFilt = userListOld.FindAll(X => X.Username == item.Username);
         if (resFilt.Count > 0)
@@ -1085,7 +1068,8 @@ namespace MConnectSDK
           UserImage = userImg
         };
         answ.Add(_newUser);
-      });
+      }
+
       // se ne avessi ricevuti (da cloud) meno di quanti ne avevo --> cerco DELETED...
       if (numFound != numImp)
       {
@@ -1111,6 +1095,68 @@ namespace MConnectSDK
           }
         }
       }
+
+      // se richiesto aggiungo immagine...
+      if (getImages)
+      {
+        // in modalità parallela TENTO scaricamento imagini...
+        Parallel.ForEach(resp.result, item =>
+        {
+          userImg = null;
+          try
+          {
+            // creo obj userData...   SE HO immagine...
+            if (item.Image_Url != "")
+            {
+              var imgRes = Task.Run(() => Utils.getImageAsync(pageUrlImgDownload, item.Image_Url));
+              imgRes.Wait();
+              if (imgRes.Result != null)
+              {
+                userImg = imgRes.Result;
+              }
+            }
+          }
+          catch
+          {
+          }
+          resFilt = answ.FindAll(X => X.Username == item.Username);
+          if (resFilt.Count == 1)
+          {
+            resFilt[0].UserImage = userImg;
+          }
+
+#if false
+        // verifica SE FOSSE GIA' esistente --> tengo STATUS...         
+        resFilt = userListOld.FindAll(X => X.Username == item.Username);
+        if (resFilt.Count > 0)
+        {
+          currStatus = resFilt[0].LoginStatus;
+          if (currStatus == UserStatus.IMPORTED)
+          {
+            numFound++;
+          }
+        }
+        else
+        {
+          currStatus = UserStatus.NOT_IMPORTED;
+        }
+        // creo utente
+        _newUser = new UserData
+        {
+          UserId = item.Id,
+          IsAdmin = item.IsAdmin,
+          Username = item.Username,
+          Email = item.Email,
+          Cognome = item.Lastname,
+          Nome = item.Firstname,
+          LoginStatus = currStatus,
+          UserImage = userImg
+        };
+        answ.Add(_newUser); 
+#endif
+        });
+      }
+
       return answ;
     }
 
diff --git a/MConnectSDK/Utils.cs b/MConnectSDK/Utils.cs
index 863d267..20e05da 100644
--- a/MConnectSDK/Utils.cs
+++ b/MConnectSDK/Utils.cs
@@ -709,6 +709,51 @@ namespace MConnectSDK
     public string link { get; set; } = "";
     public string expiry { get; set; } = "";
   }
+  /// <summary>
+  /// Classe ordinabile x UserData
+  /// </summary>
+  public class UserData : IComparable<UserData>
+  {
+    /// <summary>
+    /// Codice utente (es asfd.0002)
+    /// </summary>
+    public string UserId = "";
+    /// <summary>
+    /// Indica se sia ADMIN
+    /// </summary>
+    public bool IsAdmin = false;
+    /// <summary>
+    /// Indica lo stsatus dell'utente
+    /// </summary>
+    public UserStatus LoginStatus = UserStatus.NOT_IMPORTED;
+    /// <summary>
+    /// UserName (univoco)
+    /// </summary>
+    public string Username = "";
+    /// <summary>
+    /// Email
+    /// </summary>
+    public string Email = "";
+    /// <summary>
+    /// Cognome
+    /// </summary>
+    public string Cognome = "";
+    /// <summary>
+    /// Nome
+    /// </summary>
+    public string Nome = "";
+    /// <summary>
+    /// Immagine utente
+    /// </summary>      
+    [JsonConverter(typeof(ImageConverter))]
+    public Image UserImage = null;
+    public int CompareTo(UserData other)
+    {
+      return this.UserId.CompareTo(other.UserId);
+    }
+
+  }
+#if false
   /// <summary>
   /// Classe info UTENTE
   /// </summary>
@@ -747,7 +792,8 @@ namespace MConnectSDK
     /// </summary>      
     [JsonConverter(typeof(ImageConverter))]
     public Image UserImage = null;
-  }
+  } 
+#endif
   /// <summary>
   /// Classe info UTENTE + pwd (cifrata...) x cache localedi login
   /// </summary>
diff --git a/SharedAssemblyInfo.cs b/SharedAssemblyInfo.cs
index 08b7c73..b5e5d02 100644
--- a/SharedAssemblyInfo.cs
+++ b/SharedAssemblyInfo.cs
@@ -8,5 +8,5 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCopyright("Copyright © Steamware 2019")]
 [assembly: AssemblyTrademark("_")]
 [assembly: ComVisible(false)]
-[assembly: AssemblyVersion("1.1.1904.81")]
-[assembly: AssemblyFileVersion("1.1.1904.81")]
+[assembly: AssemblyVersion("1.1.1904.83")]
+[assembly: AssemblyFileVersion("1.1.1904.83")]
diff --git a/TestClient/MainForm.Designer.cs b/TestClient/MainForm.Designer.cs
index 0f21ab9..e571075 100644
--- a/TestClient/MainForm.Designer.cs
+++ b/TestClient/MainForm.Designer.cs
@@ -33,6 +33,7 @@
       this.toolStripProgressBar1 = new System.Windows.Forms.ToolStripProgressBar();
       this.lblClock = new System.Windows.Forms.ToolStripStatusLabel();
       this.groupBox1 = new System.Windows.Forms.GroupBox();
+      this.btnFakeQR = new System.Windows.Forms.Button();
       this.txtUploadFile = new System.Windows.Forms.TextBox();
       this.btnUploadFile = new System.Windows.Forms.Button();
       this.lblUserCode = new System.Windows.Forms.Label();
@@ -65,7 +66,7 @@
       this.pictBox = new System.Windows.Forms.PictureBox();
       this.label6 = new System.Windows.Forms.Label();
       this.lblConsole = new System.Windows.Forms.Label();
-      this.btnFakeQR = new System.Windows.Forms.Button();
+      this.chkGetImg = new System.Windows.Forms.CheckBox();
       this.statusStrip1.SuspendLayout();
       this.groupBox1.SuspendLayout();
       this.groupBox2.SuspendLayout();
@@ -122,6 +123,16 @@
       this.groupBox1.TabStop = false;
       this.groupBox1.Text = "Connection Parameters";
       // 
+      // btnFakeQR
+      // 
+      this.btnFakeQR.Location = new System.Drawing.Point(932, 23);
+      this.btnFakeQR.Name = "btnFakeQR";
+      this.btnFakeQR.Size = new System.Drawing.Size(111, 32);
+      this.btnFakeQR.TabIndex = 33;
+      this.btnFakeQR.Text = "fake QR";
+      this.btnFakeQR.UseVisualStyleBackColor = true;
+      this.btnFakeQR.Click += new System.EventHandler(this.btnFakeQR_Click);
+      // 
       // txtUploadFile
       // 
       this.txtUploadFile.Location = new System.Drawing.Point(454, 28);
@@ -171,6 +182,7 @@
       // 
       this.groupBox2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
+      this.groupBox2.Controls.Add(this.chkGetImg);
       this.groupBox2.Controls.Add(this.btnTryEnroll);
       this.groupBox2.Controls.Add(this.btnDeleteUserCloud);
       this.groupBox2.Controls.Add(this.btnDeleteUserHMI);
@@ -237,7 +249,7 @@
       // 
       // btnGetUserCreatedList
       // 
-      this.btnGetUserCreatedList.Location = new System.Drawing.Point(519, 59);
+      this.btnGetUserCreatedList.Location = new System.Drawing.Point(506, 59);
       this.btnGetUserCreatedList.Name = "btnGetUserCreatedList";
       this.btnGetUserCreatedList.Size = new System.Drawing.Size(132, 32);
       this.btnGetUserCreatedList.TabIndex = 26;
@@ -268,7 +280,7 @@
       // label10
       // 
       this.label10.AutoSize = true;
-      this.label10.Location = new System.Drawing.Point(669, 67);
+      this.label10.Location = new System.Drawing.Point(684, 67);
       this.label10.Name = "label10";
       this.label10.Size = new System.Drawing.Size(33, 17);
       this.label10.TabIndex = 23;
@@ -284,7 +296,7 @@
       // label9
       // 
       this.label9.AutoSize = true;
-      this.label9.Location = new System.Drawing.Point(669, 29);
+      this.label9.Location = new System.Drawing.Point(684, 29);
       this.label9.Name = "label9";
       this.label9.Size = new System.Drawing.Size(36, 17);
       this.label9.TabIndex = 21;
@@ -310,7 +322,7 @@
       // 
       // btnGetUserList
       // 
-      this.btnGetUserList.Location = new System.Drawing.Point(519, 21);
+      this.btnGetUserList.Location = new System.Drawing.Point(506, 21);
       this.btnGetUserList.Name = "btnGetUserList";
       this.btnGetUserList.Size = new System.Drawing.Size(132, 32);
       this.btnGetUserList.TabIndex = 18;
@@ -459,15 +471,15 @@
       this.lblConsole.TabIndex = 7;
       this.lblConsole.Text = "...";
       // 
-      // btnFakeQR
+      // chkGetImg
       // 
-      this.btnFakeQR.Location = new System.Drawing.Point(932, 23);
-      this.btnFakeQR.Name = "btnFakeQR";
-      this.btnFakeQR.Size = new System.Drawing.Size(111, 32);
-      this.btnFakeQR.TabIndex = 33;
-      this.btnFakeQR.Text = "fake QR";
-      this.btnFakeQR.UseVisualStyleBackColor = true;
-      this.btnFakeQR.Click += new System.EventHandler(this.btnFakeQR_Click);
+      this.chkGetImg.AutoSize = true;
+      this.chkGetImg.Location = new System.Drawing.Point(645, 29);
+      this.chkGetImg.Name = "chkGetImg";
+      this.chkGetImg.Size = new System.Drawing.Size(52, 21);
+      this.chkGetImg.TabIndex = 31;
+      this.chkGetImg.Text = "img";
+      this.chkGetImg.UseVisualStyleBackColor = true;
       // 
       // MainForm
       // 
@@ -533,6 +545,7 @@
     private System.Windows.Forms.Button btnUploadFile;
     private System.Windows.Forms.TextBox txtUploadFile;
     private System.Windows.Forms.Button btnFakeQR;
+    private System.Windows.Forms.CheckBox chkGetImg;
   }
 }
 
diff --git a/TestClient/MainForm.cs b/TestClient/MainForm.cs
index 31d0ce2..3c73826 100644
--- a/TestClient/MainForm.cs
+++ b/TestClient/MainForm.cs
@@ -341,7 +341,7 @@ namespace TestClient
     {
       await Task.Run(() =>
       {
-        var userResult = MCC.getUserListAsync(true);
+        var userResult = MCC.getUserListAsync(chkGetImg.Checked);
         List<UserData> userList = ((UserPayload)userResult.Result.Payload).UserList;
 
         synchronizationContext.Post(new SendOrPostCallback(o =>