diff --git a/App.config b/App.config
index 3fa3cae..43c1299 100644
--- a/App.config
+++ b/App.config
@@ -3,4 +3,12 @@
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client"/>
     </startup>
+    <system.data>
+       <DbProviderFactories>
+          <remove invariant="System.Data.SQLite"/>
+          <add name="SQLite Data Provider" invariant="System.Data.SQLite"
+               description=".NET Framework Data Provider for SQLite"
+               type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite" />
+       </DbProviderFactories>
+    </system.data>
 </configuration>
diff --git a/MainWindow/MainWindowM.vb b/MainWindow/MainWindowM.vb
index 7eac279..3ea5dea 100644
--- a/MainWindow/MainWindowM.vb
+++ b/MainWindow/MainWindowM.vb
@@ -184,6 +184,7 @@ Public Class MainWindowM
       GetMainPrivateProfileString(S_GENERAL, K_PHOTODIR, sDataRoot & "\Data", m_sPhotoDir)
       ' Creo connessione al Db
       If Not ManageDb.ConnectToDb(m_sPhotoDir & "\" & DB_FILENAME) Then
+         EgtOutLog("Error connecting to DB")
          MessageBox.Show(EgtMsg(MSG_OMAGPHOTO + 1), EgtMsg(MSG_EGTMSGBOX + 15), MessageBoxButton.OK, MessageBoxImage.Error)
          End
       End If
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index 625d940..a7b48e7 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -59,5 +59,5 @@ Imports System.Windows
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.9.2.1")> 
-<Assembly: AssemblyFileVersion("1.9.2.1")> 
+<Assembly: AssemblyVersion("1.9.6.1")> 
+<Assembly: AssemblyFileVersion("1.9.6.1")> 
diff --git a/Utility/ManageDb.vb b/Utility/ManageDb.vb
index e5a5c7a..a7ae6b5 100644
--- a/Utility/ManageDb.vb
+++ b/Utility/ManageDb.vb
@@ -1,5 +1,6 @@
 Imports System.IO
 Imports System.Data.SQLite
+Imports EgtUILib
 
 Module ManageDb
 
@@ -30,10 +31,21 @@ Module ManageDb
    End Function
 
    Friend Function ConnectToDb(DbPath As String) As Boolean
-      If Not File.Exists(DbPath) Then
+      EgtOutLog("Connecting to DB " & DbPath)
+      If Not File.Exists(DbPath) Then Return False
+      Try
+         m_DbConnection = New SQLiteConnection("Data Source = " & DbPath & "; Version = 3;")
+         ' Verifica integrità del DB
+         m_DbConnection.Open()
+         Dim Command As SQLiteCommand = New SQLiteCommand("PRAGMA quick_check;", m_DbConnection)
+         Dim Reader As SQLiteDataReader = Command.ExecuteReader()
+         Reader.Read()
+         Dim sRes As String = Reader(0)
+         m_DbConnection.Close()
+      Catch ex As Exception
+         EgtOutLog(ex.Message)
          Return False
-      End If
-      m_DbConnection = New SQLiteConnection("Data Source = " & DbPath & "; Version = 3;")
+      End Try
       Return Not IsNothing(m_DbConnection)
    End Function
 
@@ -64,13 +76,16 @@ Module ManageDb
    End Function
 
    Friend Function ExecuteSlabReaderQuery(SqlQuery As String) As List(Of Slab)
-      ManageDb.DbConnection.Open()
-      Dim Command As SQLiteCommand = New SQLiteCommand(SqlQuery, m_DbConnection)
-      Dim Reader As SQLiteDataReader = Command.ExecuteReader()
       Dim SlabList As New List(Of Slab)
-      While Reader.Read()
-         SlabList.Add(New Slab(Reader))
-      End While
+      ManageDb.DbConnection.Open()
+      Try
+         Dim Command As SQLiteCommand = New SQLiteCommand(SqlQuery, m_DbConnection)
+         Dim Reader As SQLiteDataReader = Command.ExecuteReader()
+         While Reader.Read()
+            SlabList.Add(New Slab(Reader))
+         End While
+      Catch ex As Exception
+      End Try
       ManageDb.DbConnection.Close()
       Return SlabList
    End Function