It's not really an antivirus program..It's malware and needs to be removed. Please follow the steps in the links below:
First, download, install, update, then run ALL of the free spyware removal tools from the links below:
While working with internet in my home without my knowledge one virus scan program had been downloaded, the name of the virus scan is PSGUARD, which is don?t want.
How to uninstall this virus scan from my pc (this software not have uninstall program)