USB FireWall

external USB key can carry a not-so-good surprise with it, yes they can have some viruses or Trojans ready to be installed on your computer. An antivirus like AVG Free or >Nod32> can stop the action of those viruses and Trojans, but we also recommend you to install a an useful tool like USB Firewall. Yes, USB Firewall blocks any automatic running of any file stored in an USB device, so you'll be totally protected. Not only can it stop the action but it also can delete the .ini file and stop all future automatic actions.