diff --git a/OptionPanel/DrawOptionPanel/ManageLayerExpander/LayerTreeView.vb b/OptionPanel/DrawOptionPanel/ManageLayerExpander/LayerTreeView.vb
index b4031f9..b7a4323 100644
--- a/OptionPanel/DrawOptionPanel/ManageLayerExpander/LayerTreeView.vb
+++ b/OptionPanel/DrawOptionPanel/ManageLayerExpander/LayerTreeView.vb
@@ -69,7 +69,7 @@ Public Class LayerTreeViewItem
          Return m_bOnOff
       End Get
       Set(value As Boolean)
-         If Map.refProjectVM.GetController().GetStep() <> 0 Then Return
+         'If Map.refProjectVM.GetController().GetStep() <> 0 Then Return
          If m_bOnOff <> value Then
             m_bOnOff = value
             ' se abilitato, eseguo operazione
diff --git a/OptionsWindow/OptionWindowVM.vb b/OptionsWindow/OptionWindowVM.vb
index c5ee998..6b65dce 100644
--- a/OptionsWindow/OptionWindowVM.vb
+++ b/OptionsWindow/OptionWindowVM.vb
@@ -1319,7 +1319,7 @@ Public Class OptionWindowVM
             ' L'aggiornamento della macchina "{0}" non è riuscito.
             Dim sKo As String = String.Format(EgtMsg(MSG_OPTIONPAGE + 35), sMachName)
             EgtOutLog(sKo)
-            MessageBox.Show(sKo, EgtMsg(MSG_MESSAGEBOX + 1), MessageBoxButton.OK)
+            MessageBox.Show(sKo, EgtMsg(MSG_MESSAGEBOX + 1), MessageBoxButton.OK, MessageBoxImage.Error)
             Return
          End Try
       End If