If you want to hide warning: WARNING: Your ClamAV installation is OUTDATED! in monitor menu on ISPConfig 3.0.5.4p9: Code: nano +1613 /usr/local/ispconfig/server/lib/classes/monitor_tools.inc.php and change: PHP: $clamav_outdated_warning = true; to PHP: $clamav_outdated_warning = false; After minute, when Code: /usr/local/ispconfig/server/server.sh 2>&1 > /dev/null | while read line; do echo `/bin/date` "$line" >> /var/log/ispconfig/cron.log; done cron is executed, logout and login again.