[Zope] How to fix External Editor

Dear Sir/Madam I would like you show me how to fix it in Window2000. I have installed Python for Windows and it work properly (I test it with "import win32api" is OK). furthermore, I have also installed helper Application for windows2000 and configured the browser ( Action is "Open", Application use to perform Action is "C:\Python23\pythonw.exe" C:\Program Files\Plone\Zope\pwi\zopeedit.py "%1" ), Extension is ".ZOPE", file type is "application/x-zope-edit" . After I configure it already I try to click the pencil icon but it does not work. what wrong? I follow the instruction from book step by step but it still not work. Hope you can show me clearly. Sincerely yours Chy Ty