Hi, someone has never seen this kind of error on Windows NT 4.0 (last patch update) while executing IIS 4.0 + Zope 2.2.2? The panel say: python.exe The instruction at "0x1b271a1f" referenced memory at "0x00000000" The memory could not be "read" it hang python (and so Zope) until someone, looking at the server console, notice the panel, and click the (only) OK button. Afterthere python (re?)start using 90% CPU time for about 2 minuts and all goes ok (until next error). Can I remove this error? Or remove the popup of the error panel? How I can do? TIA G.C. _________________________________________________________ Prometeo srl - The Software Experience Coi Giovanni Voice : +39 (041)5701366 Via Giudecca 15 Fax : +39 (041)5701005 30035 MIRANO (VE) - ITALY e-mail: coi@prometeo.it http://www.prometeo.it