[Zope] ZEO

I´m trying install the ZEO in my Zope ( Windows NT System ) and when I use this command : python ..\lib\python\ZEO\start.py -p 8800 to start the ZEO I get this : Traceback (innermost last): File "..\lib\python\ZEO\start.py", line 304, in ? if __name__=='__main__': main(sys.argv) File "..\lib\python\ZEO\start.py", line 286, in main signal.signal(signal.SIGHUP, handler) AttributeError: SIGHUP please, can someone advice me ? thanks anderson