Download PC Tools AntiVirus Free
When it comes to antivirus, PC Tools AntiVirus Free is the solution for you. This software will become your guardian and stop any intruder that tries to get into your system. It comes with a powerful virus database that is updated every day for you security. This application is one of the lightest you will be able to find in the market, it will start running as soon as you log in Windows and you won't even notice is there. Effective and silent, it will only alert you in case of an emergency or when it detects a suspicious behavior in one of your applications or incoming virus trying to get installed in your machine.