Index: SlimBrowserApplet.lua
===================================================================
--- SlimBrowserApplet.lua	(revision 9334)
+++ SlimBrowserApplet.lua	(working copy)
@@ -2236,7 +2236,7 @@
 
 	-- we don't care about events not on the current window
 	-- assumption for event handling code: _curStep corresponds to current window!
-	if _getCurrentStep().menu != menu then
+	if _getCurrentStep() and _getCurrentStep().menu != menu then
 		log:debug("_getCurrentStep(): ", _getCurrentStep())
 
 		log:error("Ignoring, not visible, or step/windowStack out of sync: current step menu: ", _getCurrentStep().menu, " window menu: ", menu)