diff --git a/MTC_Adapter/MTC_Adapter/AdapterGeneric.cs b/MTC_Adapter/MTC_Adapter/AdapterGeneric.cs
index c72908a..cc999d9 100644
--- a/MTC_Adapter/MTC_Adapter/AdapterGeneric.cs
+++ b/MTC_Adapter/MTC_Adapter/AdapterGeneric.cs
@@ -523,6 +523,10 @@ namespace MTC_Adapter
         /// </summary>
         public bool adpRunning = false;
         /// <summary>
+        /// valore booleano di check se l'adapter STIA SALVANDO
+        /// </summary>
+        public bool adpSaving = false;
+        /// <summary>
         /// valore booleano (richiesta di riavvio automatico)
         /// </summary>
         public bool adpTryRestart;
diff --git a/MTC_Adapter/MTC_Adapter/MainForm.cs b/MTC_Adapter/MTC_Adapter/MainForm.cs
index 391c466..1c29cf2 100644
--- a/MTC_Adapter/MTC_Adapter/MainForm.cs
+++ b/MTC_Adapter/MTC_Adapter/MainForm.cs
@@ -1178,21 +1178,29 @@ namespace MTC_Adapter
         /// <param name="filePath"></param>
         public void savePersistLayer(string filePath)
         {
-            // se HO dei dati...
-            if (agObj.persistenceLayer != null)
+            // in primis check semaforo salvataggio...
+            if (!agObj.adpSaving)
             {
-                try
+                // alzo semaforo salvataggio
+                agObj.adpSaving = true;
+                // se HO dei dati...
+                if (agObj.persistenceLayer != null)
                 {
-                    utils.WritePlain(agObj.persistenceLayer, filePath);
+                    try
+                    {
+                        utils.WritePlain(agObj.persistenceLayer, filePath);
+                    }
+                    catch (Exception exc)
+                    {
+                        lg.Error(string.Format("Errore salvataggio file{0}{1}", Environment.NewLine, exc));
+                    }
                 }
-                catch (Exception exc)
+                else
                 {
-                    lg.Error(string.Format("Errore salvataggio file{0}{1}", Environment.NewLine, exc));
+                    lg.Info("persistenceLayer null, non salvato...");
                 }
-            }
-            else
-            {
-                lg.Info("persistenceLayer null, non salvato...");
+                // abbasso semaforo salvataggio
+                agObj.adpSaving = false;
             }
         }
         /// <summary>