i have python 1.5.2 (threads), freebsd, and zope installed (tryeed differenmt versions, so i know this is not an version issue). here is the error, i think something is just configured wrong or it cant find something: # ./start Traceback (innermost last): File "/usr/local/www/Zope-2.0.0b5/z2.py", line 375, in ? exec "import "+MODULE in {} File "<string>", line 1, in ? File "/usr/local/www/Zope-2.0.0b5/lib/python/Zope/__init__.py", line 94, in ? import ZODB, ZODB.ZApplication, imp File "/usr/local/www/Zope-2.0.0b5/lib/python/ZODB/__init__.py", line 85, in ? import sys, ExtensionClass, TimeStamp, cPersistence, Persistence ImportError: /usr/local/www/Zope-2.0.0b5/lib/python/ExtensionClass.so: Undefined symbol "PyMethod_Type" thanks, Chris