diff --git a/WebDoorCreator.CamSrv/ConstIni.vb b/WebDoorCreator.CamSrv/ConstIni.vb
index 79da5df..2e6a9d3 100644
--- a/WebDoorCreator.CamSrv/ConstIni.vb
+++ b/WebDoorCreator.CamSrv/ConstIni.vb
@@ -35,8 +35,10 @@ Public Module ConstIni
    Public Const K_INSTANCES As String = "Instances"
    Public Const K_COMMANDLOG As String = "CommandLog"
    Public Const K_STARTINSTANCES As String = "StartInstances"
+   Public Const K_PROCESSPATH As String = "ProcessPath"
    Public Const K_PROCESSATSTART As String = "ProcessAtStart"
    Public Const K_BASEURL As String = "BaseUrl"
    Public Const K_BASEIP As String = "BaseIp"
+   Public Const K_MUTEXNAME As String = "MutexName"
 
 End Module
diff --git a/WebDoorCreator.CamSrv/ProcMan.vb b/WebDoorCreator.CamSrv/ProcMan.vb
index 1691eca..80f8b5f 100644
--- a/WebDoorCreator.CamSrv/ProcMan.vb
+++ b/WebDoorCreator.CamSrv/ProcMan.vb
@@ -48,8 +48,10 @@ Public Class ProcMan
 
    Dim codPost As String = "WRK001"
 
+   Dim sEgtEnginePath As String = ""
+
    ' nome macchina calcolo
-   Dim currWDC As WDC = New WDC(baseIp, baseUrl, codPost)
+   Dim currWDC As WDC
 
    Dim idxSim As Integer = 0
 
@@ -278,9 +280,9 @@ Public Class ProcMan
                                       '   ThreadProcessState = ThreadDataList(ThreadIndex).Process.HasExited
                                       'End If
                                       ThreadCurrentStatusList.Items.Add(New ListViewItem(New String() {ThreadIndex,
-                                                                                                     ThreadList(ThreadIndex).ThreadState.ToString(),
+                                                                                                     If(Not IsNothing(ThreadList(ThreadIndex)), ThreadList(ThreadIndex).ThreadState.ToString(), ""),
                                                                                                      ThreadProcessState,
-                                                                                                     ThreadDataList(ThreadIndex).ThreadOperation.ToString()}))
+                                                                                                     If(Not IsNothing(ThreadDataList(ThreadIndex)), ThreadDataList(ThreadIndex).ThreadOperation.ToString(), "")}))
                                    Else
                                       ThreadCurrentStatusList.Items.Add(New ListViewItem(New String() {ThreadIndex,
                                                                                                      "nothing"}))
@@ -319,6 +321,7 @@ Public Class ProcMan
    End Sub
 
    Private Sub DisplayQueueStatus()
+      If IsNothing(currWDC) Then Return
       Dim queueStatus As New Dictionary(Of String, Long)
       queueStatus = currWDC.queueStatus
       Dim sb As StringBuilder
@@ -874,7 +877,6 @@ Public Class ProcMan
       HistoryThreadDataList.Add(CurrThreadStat)
       MyThreadData.SetThreadStat(CurrThreadStat)
       Dim sDrive As String = "c" ' If(ThreadIndex Mod 2 = 0, "A", "B")
-      Dim sExePath As String = sDrive & ":\EgtProg\EgtEngine\EgtEngineR64.exe"
       Dim sCurrDdfDir As String = sDrive & ":\EgtData\WebDoor\Ddf"
       Dim stopWatch As New Stopwatch()
       Dim lExeTime As Long = 0
@@ -882,7 +884,7 @@ Public Class ProcMan
 
       ' avvio processo
       Dim Proc As Process = New Process()
-      Proc.StartInfo.FileName = sExePath
+      Proc.StartInfo.FileName = sEgtEnginePath
       Proc.StartInfo.RedirectStandardInput = True
       Proc.StartInfo.RedirectStandardOutput = True
       Proc.StartInfo.Arguments = ThreadIndex.ToString() & " """ & sDrive & ":\EgtData\WebDoor\TestPipe.lua"""
@@ -1328,7 +1330,15 @@ Public Class ProcMan
       ' leggo sorgente richieste rest da ini
       GetPrivateProfileString(S_GENERAL, K_BASEIP, "", baseIp, m_IniFilePath)
       GetPrivateProfileString(S_GENERAL, K_BASEURL, "", baseUrl, m_IniFilePath)
+
+      ' inizializzo oggetto web
+      currWDC = New WDC(baseIp, baseUrl, codPost)
       txtNumThread.Text = GetPrivateProfileInt(S_GENERAL, K_STARTINSTANCES, 1, m_IniFilePath).ToString()
+
+      ' recupero path EgtEngine
+      GetPrivateProfileString(S_GENERAL, K_PROCESSPATH, "", sEgtEnginePath, m_IniFilePath)
+
+      MyBase.Text = baseUrl
    End Sub
 
    Dim m_objMutex As Mutex
@@ -1340,7 +1350,9 @@ Public Class ProcMan
    Private Sub ManageInstance()
       Dim bCreated As Boolean
       Try
-         m_objMutex = New Mutex(False, "Global\WebDoorCreator.CamSrv", bCreated)
+         Dim sMutexName As String = "Global\WebDoorCreator.CamSrv"
+         GetPrivateProfileString(S_GENERAL, K_MUTEXNAME, sMutexName, sMutexName, m_IniFilePath)
+         m_objMutex = New Mutex(False, sMutexName, bCreated)
       Catch
          bCreated = False
       End Try
@@ -1417,7 +1429,9 @@ Public Class ProcMan
    End Sub
 
    Private Sub TimerResetProcessing_Tick(sender As Object, e As EventArgs) Handles TimerResetProcessing.Tick
-      currWDC.ResetQueueProcessing()
+      If Not IsNothing(currWDC) Then
+         currWDC.ResetQueueProcessing()
+      End If
    End Sub
 
 #End Region