[Zope] exUserFolder: Installation problemes / list don't work?

Hi all I try to install Extensible User Folder product in my Zope but when I restart the server it raise an error trying to import a module called Sync I sing on in the exUserFolder mail list but I can't post any message. I try to contact with the email in the product page but nothing to do Any idea? My configuration is: Windows XP pro Python 2.3.3 Zope 2.7.0 Thanks!