Anton A. Zotov writes:

Would anybody be so kind to suggest how to remove that user (I'd prefer working variant) Seems that you are a bit lazy?

Whenever you can do something through the management interface, there is source around (a DTML object) that does this. It provides you with a working variant.... You need just to look for it. The DTML objects are located in the "dtml" subfolders or the various Zope components, something like: <Zope dist>/lib/python/OFS/dtml/* Dieter