--- a/ProjectController.py	Sun Sep 23 23:34:04 2012 +0200
+++ b/ProjectController.py	Sun Sep 23 23:56:53 2012 +0200
@@ -408,7 +408,7 @@
             self.AppFrame.RefreshPouInstanceVariablesPanel()
             self.AppFrame.RefreshFileMenu()
             self.AppFrame.RefreshEditMenu()
-            self.AppFrame.RefreshEditor()
+            wx.CallAfter(self.AppFrame.RefreshEditor)
     
     def GetVariableLocationTree(self):
         '''