Comodo AntiVirus is a free antivirus for personal use (not commercial) with a large variety of possibilities for the user, and with a low resource consumption for a program of this calibre. It has a long list of functions and options: it scans in real time, it`s analysis is programmed for a certain time period, it anayses email, controls active system processes, creates logs with all the detail of completed actions, has quarantine facility, support for compressed files and for network drives, etcAlso, something very important in an antivirus, Comodo AntiVirus upgrades automatically to assure you that you have the latest threats controlled and identified in a database.NOTE: Comodo AntiVirus is a completely free program that requires registration. It`s free and only needs an email address.