anti-virus gratuitos e Kit Reparação do PC

http://free.grisoft.com/doc/avg-anti-virus-free/

http://www.free-av.com/

http://www.avast.com/eng/download-avast-home.html

http://www.eset.com/download/index.php#home

+

PC Repair System

http://www.dailycupoftech.com/usb-drive-systems/3/