[Zope] exUserFolder Product Install Problems in Windows XP

Hello I have downloaded the exUserFolder Product and copy the folder into my directory Products of Zope but when restar my zope i found this error:: File "C:\Archivos de programa\Zope-2.8.4-final\lib\python\Products\exUserFolder\AuthSources\etcAuthSource\etcAuthSource.py", line 124, in ? from Products.exUserFolder.fcrypt.fcrypt import crypt ImportError: No module named fcrypt.fcrypt anyone know why this is happening? . there is a folder CryptoSources whit the module fcrypt into, in the exUserFolder Product folder. I have install Zope 2.8.4-final, python 2.3.5, win32 I´m working in Windows XP SP2. Thanks.