=== modified file 'src/com/goldencode/p2j/ui/chui/ThinClient.java'
--- src/com/goldencode/p2j/ui/chui/ThinClient.java	2015-11-13 16:56:54 +0000
+++ src/com/goldencode/p2j/ui/chui/ThinClient.java	2015-11-13 18:07:28 +0000
@@ -9431,7 +9431,7 @@
       if (allFramesVisible             &&
           window != null               &&
           !window.parentOrSelfHidden() &&
-          (!window.config().realized || !window.isVisible()))
+          ((window.config() != null && !window.config().realized) || !window.isVisible()))
       {
          independentEventDrawingBracket(window, new Runnable()
          {