diff -r f4b64aa848e1 -r 7ba4302a9999 examples/DS401_Slave_Gui/TestSlaveGui.cpp
--- a/examples/DS401_Slave_Gui/TestSlaveGui.cpp	Tue Oct 02 17:56:11 2007 +0200
+++ b/examples/DS401_Slave_Gui/TestSlaveGui.cpp	Tue Oct 02 17:57:16 2007 +0200
@@ -103,12 +103,11 @@
 void stop_slave()
 {	
     EnterMutex();
+	setState(&ObjDict_Data, Stopped);
+    LeaveMutex();
 
-	setState(&ObjDict_Data, Stopped);
     StopTimerLoop();
     canClose(&ObjDict_Data);
 
-    LeaveMutex();
-
 	return;
 }