diff --git a/IOB-UT-NEXT/Iob/BaseObj.cs b/IOB-UT-NEXT/Iob/BaseObj.cs
index 6702d662..17de8ce6 100644
--- a/IOB-UT-NEXT/Iob/BaseObj.cs
+++ b/IOB-UT-NEXT/Iob/BaseObj.cs
@@ -102,12 +102,12 @@ namespace IOB_UT_NEXT.Iob
         /// <summary>
         /// Collettore di tutte le variabili scadenza DateTime
         /// </summary>
-        public DateTimeHelper DtHelp;
+        public DateTimeHelper DtHelp = new DateTimeHelper();
 
         /// <summary>
         /// Collettore di tutte le Queue gestite
         /// </summary>
-        public QueueHelper QHelp;
+        public QueueHelper QHelp = new QueueHelper();
 
         /// <summary>
         /// Abilitazione lettura PrgName
diff --git a/IOB-WIN-FORM/Iob/Generic.cs b/IOB-WIN-FORM/Iob/Generic.cs
index 7eccfbdd..724f0a55 100644
--- a/IOB-WIN-FORM/Iob/Generic.cs
+++ b/IOB-WIN-FORM/Iob/Generic.cs
@@ -69,6 +69,11 @@ namespace IOB_WIN_FORM.Iob
                 // init oggetto TCMan
                 var tcMan = new TCMan(IobConfNew.TCDataConf.Lambda, IobConfNew.TCDataConf.MaxDelayFactor, IobConfNew.TCDataConf.MaxIncrPz);
 
+                // aggiungo altri defaults
+                setDefaults(true);
+                // imposta valori memoria (e resetta parametri su server)
+                setParamPlc();
+
                 // init communication services
                 commService = new CommunicationService(IobConfNew, redisMan);
                 machineCommService = new MachineCommunicationService(IobConfNew, tcMan, memMap);
@@ -87,10 +92,6 @@ namespace IOB_WIN_FORM.Iob
                 // i last li avvio a VUOTI... x evitare errore mancata riscrittura SIMEC che ha memorie NON ritentive
                 lastProdData = new Dictionary<string, string>();
                 //lastProdData = new Dictionary<string, string>(currProdData);
-                // aggiungo altri defaults
-                setDefaults(true);
-                // imposta valori memoria (e resetta parametri su server)
-                setParamPlc();
 
                 // checkLogDir x shrink!
                 checkShrinkDir();
@@ -9123,9 +9124,9 @@ namespace IOB_WIN_FORM.Iob
             {
                 string codIob = IOBConfFull.General.FilenameIOB;
                 bool useRedis = IOBConfFull.General.EnabRedisQue;
-                QHelp.QueueIN.Dispose();
+                if(QHelp.QueueIN!=null) QHelp.QueueIN.Dispose();
                 QHelp.QueueIN = new DataQueue(codIob, "QueueIN", useRedis, redisMan);
-                QHelp.QueueSrvResp.Dispose();
+                if (QHelp.QueueSrvResp != null) QHelp.QueueSrvResp.Dispose();
                 QHelp.QueueSrvResp = new DataQueue(codIob, "QueueServResp", useRedis, redisMan);
                 // no coda redis
                 QHelp.QueueAlarm = new DataQueue(codIob, "QueueAlarm", false, redisMan);
diff --git a/IOB-WIN-FORM/MainForm.cs b/IOB-WIN-FORM/MainForm.cs
index 6746702c..7624385d 100644
--- a/IOB-WIN-FORM/MainForm.cs
+++ b/IOB-WIN-FORM/MainForm.cs
@@ -29,7 +29,7 @@ namespace IOB_WIN_FORM
         /// <summary>
         /// oggetto logging
         /// </summary>
-        public static Logger lg;
+        protected static Logger lg = LogManager.GetCurrentClassLogger();
 
         /// <summary>
         /// Configurazione gerarchica completa (v 4.x.x.x)