[Zope] ZCatalog can't find anything

[Eric Adam]

I have a fresh install of Zope 2.5.1 (Python 1.3.1) running on XP pro and am attempting to use a Zcatalog. The catalog is created without proublems bot I 
can not get the "Find Objects" tab to return any results no matter how narrow or broad the criteria is. The "Find" tab of any other object works fine. 

Is this a problem with me or the software? I've followed a number of tutorials and examples to the letter with the same (lack of) results.

"I am not a number! I am a free man!" --The Prisoner