diff --git a/IOB-WIN-FORM/AdapterForm.cs b/IOB-WIN-FORM/AdapterForm.cs
index df9cc2a3..5e6bdb24 100644
--- a/IOB-WIN-FORM/AdapterForm.cs
+++ b/IOB-WIN-FORM/AdapterForm.cs
@@ -143,7 +143,6 @@ namespace IOB_WIN_FORM
 
             lg = LogManager.GetCurrentClassLogger();
             displayTaskAndLog("AdapterForm Starting");
-            //_ = AdapterForm_Load();
         }
 
         /// <summary>
@@ -249,21 +248,65 @@ namespace IOB_WIN_FORM
 
 
         private CancellationTokenSource _cts;
+        private Task _workerTask;
+        private readonly object _lock = new object(); // Per thread-safety
         private bool _isSuspended = false;
 
         // Metodo per avviare il worker (es. nel Form_Load)
         private void StartWorker()
         {
+            lock (_lock)
+            {
+                // 1. Controllo se è già in esecuzione
+                if (_workerTask != null && !_workerTask.IsCompleted)
+                {
+                    lgTrace("Worker già in esecuzione. Richiesta ignorata.");
+                    return;
+                }
+
+                _cts = new CancellationTokenSource();
+                // Assegniamo il Task alla variabile per poterne monitorare lo stato
+                _workerTask = Task.Run(() => WorkerLoopAsync(_cts.Token));
+            }
+#if false
             _cts = new CancellationTokenSource();
             // Non usiamo await qui perché vogliamo che il loop giri "per i fatti suoi"
-            _ = Task.Run(() => WorkerLoopAsync(_cts.Token));
+            _ = Task.Run(() => WorkerLoopAsync(_cts.Token)); 
+#endif
         }
 
         // Metodo per fermare tutto (es. nel Form_Closing o Dispose)
-        private void StopWorker()
+        private async Task StopWorker()
         {
+            if (_cts == null) return;
+
+            _cts.Cancel();
+
+            try
+            {
+                // Opzionale: attendi che il task finisca davvero prima di fare il dispose
+                if (_workerTask != null)
+                {
+                    await _workerTask;
+                }
+            }
+            catch (OperationCanceledException) { /* Normale amministrazione */ }
+            finally
+            {
+                if (_cts != null)
+                {
+                    _cts.Dispose();
+                    _cts = null;
+                }
+                if (_workerTask != null)
+                {
+                    _workerTask = null;
+                }
+            }
+#if false
             _cts?.Cancel();
-            _cts?.Dispose();
+            _cts?.Dispose(); 
+#endif
         }
 
         private async Task WorkerLoopAsync(CancellationToken ct)
@@ -283,6 +326,10 @@ namespace IOB_WIN_FORM
                             lgError("Errore durante i task: " + ex.Message);
                         }
                     }
+                    else
+                    {
+                        lgTrace("Task sospeso: NON esegue task specifici");
+                    }
 
                     // Calcolo del delay dinamico da Timers.MsVHF
                     int currentDelay = _isSuspended ? 10 * IOBConfFull.General.Timers.MsVHF : IOBConfFull.General.Timers.MsVHF;
@@ -292,6 +339,7 @@ namespace IOB_WIN_FORM
                     // senza dover aspettare la fine del timer, velocizzando la chiusura.
                     await Task.Delay(currentDelay, ct);
                 }
+                lgInfo("Worker interrotto per cancellation token.");
             }
             catch (OperationCanceledException)
             {
@@ -381,10 +429,12 @@ namespace IOB_WIN_FORM
             }
         }
 
+#if false
         /// <summary>
         /// Timer principale di esecuzione tasks in background
         /// </summary>
-        protected System.Threading.Timer workerTimer;
+        protected System.Threading.Timer workerTimer; 
+#endif
 
         #endregion Public Constructors
 
@@ -1158,10 +1208,15 @@ namespace IOB_WIN_FORM
                 restart.Enabled = true;
                 // 2026.01.02 fix timers al restart
                 gather.Enabled = true;
+                // gestione worker
+                _isSuspended = false;
+                StartWorker();
+#if false
                 if (workerTimer != null)
                 {
                     workerTimer.Change(0, IOBConfFull.General.Timers.MsVHF);
-                }
+                } 
+#endif
 
                 displayTaskAndLog("Start Timers", true);
                 // inizializzo le scadenze dei timers...
@@ -1231,6 +1286,7 @@ namespace IOB_WIN_FORM
         public void fermaAdapter(bool tryRestart, bool forceDequeue, bool updateForm)
         {
             lgInfo($"fermaAdapter | tryRestart: {tryRestart} | forceDequeue: {forceDequeue} | updateForm: {updateForm}");
+            //fermaTutto(false, tryRestart, forceDequeue, updateForm);
             fermaTutto(false, tryRestart, forceDequeue, updateForm);
         }
 
@@ -1653,7 +1709,10 @@ namespace IOB_WIN_FORM
             displTimer?.Dispose();
             gather?.Stop();
             gather?.Dispose();
-            workerTimer?.Dispose();
+#if false
+            workerTimer?.Dispose(); 
+#endif
+            StopWorker();
         }
 
         private void displTimer_Tick(object sender, EventArgs e)
@@ -1679,14 +1738,18 @@ namespace IOB_WIN_FORM
                     stop.Enabled = false;
                     start.Enabled = true;
                     restart.Enabled = false;
+                    _isSuspended = true;
                     if (stopTimer)
                     {
                         gather.Enabled = false;
+                        _ = StopWorker();
+#if false
                         // FixMe ToDo: eliminare workerTimer !!!
                         if (workerTimer != null)
                         {
                             workerTimer.Change(Timeout.Infinite, Timeout.Infinite);
                         }
+#endif
                     }
 
                     newDisplayData currDispData = new newDisplayData();
diff --git a/IOB-WIN-WPS/DATA/CONF/MAIN.ini b/IOB-WIN-WPS/DATA/CONF/MAIN.ini
index 79ab62f0..7f017be7 100644
--- a/IOB-WIN-WPS/DATA/CONF/MAIN.ini
+++ b/IOB-WIN-WPS/DATA/CONF/MAIN.ini
@@ -24,3 +24,4 @@ STARTLIST=3019
 ;STARTLIST=SIMUL_05
 
 MAXCNC=10
+