ERNT System Antivirus (RC) - Version 2009 ERNT System Antivirus 2009 provides excellent protection for personal computers and corporate systems running Microsoft Windows. The main advantage ERNT System Antivirus 2009 is its quick work and have repeatedly proven ability to protect your computer by 100% ERNT System Antivirus 2009 has built artificial intelligence is able to identify the virus and block it before falling to a computer.