[Zope] Something want to ask you!

Dear everybody, I have some questions want to ask you. How can i use Zope without online? If i haven't online first, the system give me some error message. The error message is: D:\Zope2.0b4>"D:\Zope2.0b4\bin\python.exe" "D:\Zope2.0b4\z2.py" Traceback (innermost last): File "D:\Zope2.0b4\z2.py", line 417, in? logger_object :lg) File "D:\Zope2.0b4\ZServer\medusa\http.server.py", line 528,in_init_ ip:socket.gethostbyname(socket.gethostname()) socket.error:host not found I have hosts file in my computer, I don't know what's wrong. Could you tell me? Thank you very much! Elaine Kong.