--- a/etwist/server.py	Sat Jan 09 15:31:37 2010 +0100
+++ b/etwist/server.py	Mon Jan 11 14:13:26 2010 +0100
@@ -387,6 +387,9 @@
     reactor.listenTCP(port, channel.HTTPFactory(website))
     logger = getLogger('cubicweb.twisted')
     if not debug:
+        if sys.platform == 'win32':
+            print "Under windows, you must use the service management commands (e.g : 'net start my_instance)'"
+            sys.exit(0)
         print 'instance starting in the background'
         if daemonize():
             return # child process