diff --git a/Constants/ConstIni.vb b/Constants/ConstIni.vb
index aa6ff13..c38c5a6 100644
--- a/Constants/ConstIni.vb
+++ b/Constants/ConstIni.vb
@@ -27,6 +27,7 @@ Module ConstIni
    Public Const K_SUPPORT As String = "Support"
    Public Const K_RUNAS As String = "RunAs"
    Public Const K_DISPOSITION As String = "Disposition"
+   Public Const K_SMARTHELP As String = "SmartHelp"
 
    Public Const S_LANGUAGES As String = "Languages"
    Public Const K_LANGUAGE As String = "Language"
diff --git a/Guide/GuideV.xaml.vb b/Guide/GuideV.xaml.vb
index 4803a0b..c464b0d 100644
--- a/Guide/GuideV.xaml.vb
+++ b/Guide/GuideV.xaml.vb
@@ -13,7 +13,9 @@
       ' Per evitare richieste di approvare esecuzione javascript :
       ' - impostare possibilità di eseguire script in locale da Windows
       ' - si cambia il riferimento al disco C: nel modo seguente
-      Dim sHelpDir As String = IniFile.m_sHelpDir.Replace("C:", "file://127.0.0.1/c$")
+
+      Dim sHelpDir As String = String.Empty
+      If OptionModule.m_SmartHelp Then sHelpDir = IniFile.m_sHelpDir Else sHelpDir = IniFile.m_sHelpDir.Replace("C:", "file://127.0.0.1/c$")
       DoorBrowser.Navigate(New Uri(sHelpDir & "\" & m_Language & "\" & GuideVM.m_AddressGuide & ".html"))
    End Sub
 
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index 5a37148..0449fdd 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -72,5 +72,5 @@ Imports System.Windows
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.9.1.1")> 
-<Assembly: AssemblyFileVersion("1.9.1.1")> 
+<Assembly: AssemblyVersion("1.9.1.2")> 
+<Assembly: AssemblyFileVersion("1.9.1.2")> 
diff --git a/OptionsWindow/OptionModule.vb b/OptionsWindow/OptionModule.vb
index fd461a0..66836cc 100644
--- a/OptionsWindow/OptionModule.vb
+++ b/OptionsWindow/OptionModule.vb
@@ -33,6 +33,8 @@ Friend Module OptionModule
       Assembly = 1
    End Enum
 
+   Friend m_SmartHelp As Boolean = False
+
    Friend m_Width As String
    Friend m_Height As String
    Friend m_Thickness As String
@@ -189,6 +191,14 @@ Friend Module OptionModule
          End If
       End If
 
+      Dim nSmartHelp As Integer = 1
+      nSmartHelp = GetMainPrivateProfileInt(S_GENERAL, K_SMARTHELP, 1)
+      If nSmartHelp = 0 Then
+         m_SmartHelp = True
+      Else
+         m_SmartHelp = False
+      End If
+
       ' leggo il tipo di Bevel selezionato
       Dim BevelUp As Visibility
       DefaultGetPrivateProfilesBevel(S_EDGE, K_BEVELU_INI, BevelUp)
@@ -199,12 +209,12 @@ Friend Module OptionModule
 
       'disposizione in macchina delle porte (variabile globale)
       Select Case GetMainPrivateProfileInt(S_GENERAL, K_DISPOSITION, 0)
-      Case 0
-         m_Disposition.Name = "BySwing"
-      Case 1
-         m_Disposition.Name = "BD"
-      Case 2
-         m_Disposition.Name = "BU"
+         Case 0
+            m_Disposition.Name = "BySwing"
+         Case 1
+            m_Disposition.Name = "BD"
+         Case 2
+            m_Disposition.Name = "BU"
       End Select
       ' questa variabile deve essere usata solo in locale per settare la visibilità della optionpage dei bevel
       m_sDisposition = m_Disposition.Name