How do I turn on my antivirus program with etrust antivirus program?

My computer crashed months ago with some viruses and they installed etrust antivirus program. My automatic update system is “on” and my “firewall” program is on. But, I have this red shield with a white “x” in it that says my antivirus program is off and I need to turn it on, but can’t figure out how to do this. Can anyone explain to me in very simple terms how to turn it back on?

eTrust PestPatrol 2005 Anti-Spyware

  • Detects and removes spyware, adware, and other non-virus threats
  • Protects PC from unauthorized access, info theft, and diminished performance
  • Remove pests in real-time; conveniently schedule regular scans
  • Automatic updates for proactive protection against new threats
  • Spyware research group provides comprehensive pest database

Product Description
Detects and removes a wide variety of spyware to protect your PC from unauthorized access, information theft and diminished system performance. Its easy-to-use interface, automatic updates and extensive pest database make eTrust PestPatrol an effective defense against a wide range of spyware threats…. More >>

eTrust PestPatrol 2005 Anti-Spyware