diff --git a/CncLib/CNC/CNC.Runtime.vb b/CncLib/CNC/CNC.Runtime.vb
index d8af4573..506dcd12 100644
--- a/CncLib/CNC/CNC.Runtime.vb
+++ b/CncLib/CNC/CNC.Runtime.vb
@@ -29,15 +29,15 @@
             NC = New OSAI_OPEN(ipTarget)
 
           Case NC_SIEMENS
-            Try
-              NC = New SIEMENS
-            Catch ex As NcException
-              Dim exStr As String
-              exStr = ex.Message
-              'NC.frmMain_ref.ExitApp()
-              'frmMain.ExitApp()
-              'End
-            End Try
+            'Try
+            '  NC = New SIEMENS
+            'Catch ex As NcException
+            '  Dim exStr As String
+            '  exStr = ex.Message
+            '  'NC.frmMain_ref.ExitApp()
+            '  'frmMain.ExitApp()
+            '  'End
+            'End Try
         End Select
 
         'CncLib.App.Runtime.Log.WI("OK  crating NC  CNC.NC", , CLog.Lev.Principal)