]$ antivir -s -z /home AntiVir / Linux Version 2.0.8-18 Copyright (c) 1994-2003 by H+BEDV Datentechnik GmbH. All rights reserved. error (211): program file of AntiVir has been modified" NOTE: I usually run antivir manually as user (not root). I wonder if prelink has modified the executable? ... if not, this is VERY disquieting! TIA for any comments and suggestions... Elton Woo.