diff --git a/CVCncLib/CVCncLib.dll b/CVCncLib/CVCncLib.dll
index c17d5ad9..5b7b3bca 100644
Binary files a/CVCncLib/CVCncLib.dll and b/CVCncLib/CVCncLib.dll differ
diff --git a/IOB-MAN/App.config b/IOB-MAN/App.config
index 1aca5e38..f0b075f6 100644
--- a/IOB-MAN/App.config
+++ b/IOB-MAN/App.config
@@ -8,7 +8,7 @@
         <add key="appNameExt" value="IOB-WIN" />
         <add key="uiPeriod" value="100" />
         <add key="checkPeriod" value="1000" />
-        <add key="forceCheckPeriod" value="15000" />
+        <add key="forceCheckPeriodMult" value="15" />
         <add key="autoRestartTimeoutMin" value="15" />
         <add key="autoStartProc" value="true" />
         <add key="closeOnChildUpdate" value="true" />
diff --git a/IOB-MAN/IOBManPanel.cs b/IOB-MAN/IOBManPanel.cs
index 4f6d790f..fdeaf446 100644
--- a/IOB-MAN/IOBManPanel.cs
+++ b/IOB-MAN/IOBManPanel.cs
@@ -25,16 +25,16 @@ namespace IOB_MAN
         private const int SW_SHOWMINIMIZED = 2;
         private const int SW_SHOWNORMAL = 1;
 
-        /// <summary>
-        /// Oggetto locker x evitare problemi timer
-        /// </summary>
-        private static object _locker = new object();
-
         /// <summary>
         /// Context x sync thread
         /// </summary>
         private readonly SynchronizationContext synchronizationContext;
 
+        /// <summary>
+        ///  Oggetto semaforico di lock
+        /// </summary>
+        private SemaphoreSlim _sync = new SemaphoreSlim(1);
+
         /// <summary>
         /// Binding source degli elementi gestiti..
         /// </summary>
@@ -57,7 +57,7 @@ namespace IOB_MAN
         /// <summary>
         /// Counter del timer di base
         /// </summary>
-        protected int checkPeriod = 1000;
+        protected int checkPeriod = 2000;
 
         /// <summary>
         /// semaforo check...
@@ -67,7 +67,7 @@ namespace IOB_MAN
         /// <summary>
         /// Counter del timer di forceCheck (60 sec, era 5 sec)
         /// </summary>
-        protected int forceCheckPeriod = 60000;
+        protected int forceCheckPeriodMult = 30;
 
         /// <summary>
         /// Indica ultimo stato del check di restart...
@@ -84,6 +84,16 @@ namespace IOB_MAN
         /// </summary>
         protected int lastNumProcRunning = 0;
 
+        /// <summary>
+        /// Numero di Lock effettuati con successo
+        /// </summary>
+        protected int numLockFail = 0;
+
+        /// <summary>
+        /// Numero di lock falliti
+        /// </summary>
+        protected int numLockSuccess = 0;
+
         /// <summary>
         /// Totale processi avviati
         /// </summary>
@@ -105,9 +115,9 @@ namespace IOB_MAN
         protected string TargetName = "";
 
         /// <summary>
-        /// Contatore autockeck nativo
+        /// Dataora prossima scadenza riavvio automatico
         /// </summary>
-        protected int tOutAutocheck = 100;
+        protected DateTime tOutAutocheck = DateTime.Now;
 
         /// <summary>
         /// Counter del timer UI
@@ -314,7 +324,7 @@ namespace IOB_MAN
 
         private void btnMoreTOut_Click(object sender, EventArgs e)
         {
-            tOutAutocheck += 60 * utils.CRI("autoRestartTimeoutMin") * (1000 / (utils.CRI("checkPeriod")));
+            tOutAutocheck = tOutAutocheck.AddMinutes(utils.CRI("autoRestartTimeoutMin"));
         }
 
         private void btnOpenAll_Click(object sender, EventArgs e)
@@ -410,32 +420,23 @@ namespace IOB_MAN
         /// </summary>
         private async Task checkProcessStatusAsync()
         {
-            var hasLock = false;
-            try
-            {
-                Monitor.TryEnter(_locker, ref hasLock);
-                if (!hasLock)
-                {
-                    return;
-                }
-                if (!checkRunning)
-                {
-                    // reset variabili appoggio
-                    checkRunning = true;
-                    // eseguo task!
-                    await Task.Run(() => checkRunningchild()).ConfigureAwait(false);
-                    updateStatus();
-                    checkRunning = false;
-                }
-            }
-            finally
+            await _sync.WaitAsync();
+
+            if (!checkRunning)
             {
+                // reset variabili appoggio
+                checkRunning = true;
+                // eseguo task!
+                await Task.Run(() => checkRunningchild()).ConfigureAwait(false);
+                updateStatus();
                 checkRunning = false;
-                if (hasLock)
-                {
-                    Monitor.Exit(_locker);
-                }
             }
+            else
+            {
+                utils.lgInfo($"Error: checkRunning: {checkRunning}");
+            }
+
+            _sync.Release();
         }
 
         /// <summary>
@@ -505,7 +506,7 @@ namespace IOB_MAN
         private void chkAutoRestart_CheckedChanged(object sender, EventArgs e)
         {
             // se tolgo autorestart --> imposto NUOVA scadenza x forzare check
-            tOutAutocheck = 60 * utils.CRI("autoRestartTimeoutMin") * (1000 / (utils.CRI("checkPeriod")));
+            tOutAutocheck = DateTime.Now.AddMinutes(utils.CRI("autoRestartTimeoutMin"));
             txtTOutAutoCheck.Visible = !chkAutoRestart.Checked;
             btnMoreTOut.Visible = !chkAutoRestart.Checked;
             // fa subito controllo riavvio...
@@ -744,21 +745,6 @@ namespace IOB_MAN
 
         private void forceCheckTimer_Tick(object sender, EventArgs e)
         {
-#if false
-            if (!checkRunning)
-            {
-                try
-                {
-                    Task result = checkProcessStatusAsync();
-                    result.Wait();
-                }
-                catch (Exception exc)
-                {
-                    Logging.Instance.Error($"forceCheckTimer_Tick {exc}");
-                }
-            }
-#endif
-
             if (!checkRunning)
             {
                 try
@@ -856,7 +842,7 @@ namespace IOB_MAN
             MainTimer.Start();
             UI_Timer.Interval = uiPeriod;
             UI_Timer.Start();
-            forceCheckTimer.Interval = forceCheckPeriod;
+            forceCheckTimer.Interval = checkPeriod * forceCheckPeriodMult;
             forceCheckTimer.Start();
             // avvio il task con apposita classe Steamware... da 00:30
             int fullRestartHour = memLayer.ML.CRI("fullRestartHour");
@@ -934,7 +920,7 @@ namespace IOB_MAN
             waitForExitMsec = utils.CRI("waitForExitMsec");
             checkPeriod = utils.CRI("checkPeriod");
             uiPeriod = utils.CRI("uiPeriod");
-            forceCheckPeriod = utils.CRI("forceCheckPeriod");
+            forceCheckPeriodMult = utils.CRI("forceCheckPeriodMult");
             TargetExe = utils.CRS("targetExe");
             TargetName = utils.CRS("appNameExt");
             if (string.IsNullOrEmpty(TargetExe))
@@ -1075,7 +1061,7 @@ namespace IOB_MAN
             else
             {
                 // se autorestart scaduto e NON checked --> lo imposto
-                if (tOutAutocheck < 0)
+                if (tOutAutocheck < DateTime.Now)
                 {
                     // lo riattivo
                     chkAutoRestart.Checked = true;
@@ -1239,13 +1225,12 @@ namespace IOB_MAN
                 // se NON checked aggiorno contatore...
                 if (!chkAutoRestart.Checked)
                 {
-                    tOutAutocheck--;
-                    txtTOutAutoCheck.Text = $"{(tOutAutocheck / (1000 / (utils.CRI("checkPeriod"))))}";
+                    txtTOutAutoCheck.Text = $"{tOutAutocheck.Subtract(DateTime.Now).TotalSeconds:N0}";
                 }
                 // se è variato...
                 if (hlRestart != lastHlRestart)
                 {
-                    tOutAutocheck = 60 * utils.CRI("autoRestartTimeoutMin") * (1000 / (utils.CRI("checkPeriod")));
+                    tOutAutocheck = DateTime.Now.AddMinutes(utils.CRI("autoRestartTimeoutMin"));
                     lastHlRestart = hlRestart;
                     // fix autorestart...
                     if (hlRestart)
diff --git a/IOB-MAN/NLog.config b/IOB-MAN/NLog.config
index ff4a5d80..ed129685 100644
--- a/IOB-MAN/NLog.config
+++ b/IOB-MAN/NLog.config
@@ -23,9 +23,9 @@
     -->
         <target xsi:type="File"
             name="f_base"
-            fileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.log"
+            fileName="${logDir}/${shortdate}.log"
             layout="${longdate} [${uppercase:${level}}] ${logger:shortName=true}|${message}"
-            archiveFileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.{###}.log"
+            archiveFileName="${logDir}/${shortdate}.{###}.log"
             archiveNumbering="Sequence"
             archiveAboveSize="10240000"
             maxArchiveFiles="60"
@@ -33,9 +33,9 @@
             keepFileOpen="false" />
         <target xsi:type="File"
             name="f_error"
-            fileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.log"
+            fileName="${logDir}/${shortdate}_error.log"
             layout="${longdate} [${uppercase:${level}}] ${logger:shortName=true}|${message}${newline}${exception:format=tostring}"
-            archiveFileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.{###}.log"
+            archiveFileName="${logDir}/${shortdate}.{###}.log"
             archiveNumbering="Sequence"
             archiveAboveSize="10240000"
             maxArchiveFiles="60"
@@ -44,9 +44,9 @@
         <!--Target per asp.net 4.5+ (NON VA con 4.0 common-->
         <!--<target xsi:type="File"
       name="f"
-      fileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.log"
+      fileName="${logDir}/${shortdate}.log"
       layout="${longdate} [${uppercase:${level}}] ${logger:shortName=true}|${message}|${exception:format=tostring}"
-      archiveFileName="${logDir}/${var:codIOB:default=0000}/${shortdate}.{###}.zip"
+      archiveFileName="${logDir}/${shortdate}.{###}.zip"
       archiveNumbering="Sequence"
       archiveEvery="Day"
       archiveOldFileOnStartup="true"