From MicroHARDxce Enterprises:
MHX Antivirus and Antispyware is a antivirus, antispyware, firewall, registry scanner and live help client all in one protection package. MHX Antivirus free edition is free to any user for as long as they want. It is easy to use, easy on system resources, and easy to configure. Users of both free and pro can set up automatic updates, automatic scanning schedules from days, weeks, to even hours.