AntiVirus Live is a fake antivirus software which comes onto your system and asks you to buy it. It doesn't provide any security to the computer. Here is the procedure to remove it: (1) disable the proxy server for your LAN in Internet Explorer. 2) download the process explorer from ms technet. 3) locate and kill the sysguard.exe. 4) finally remove AntiVirus Live. After following all these steps reboot the computer. Protection against future intrusion is mentioned. You should be aware of the best way to have a virus-free computer.