Here is a guide on removing Antivirus 2008..maybe it will work for 2009.
Install spy-bot or Avast anti virus and remove this.
you can delete it manually, here’s removal guide:
it is a computer parasite, that’s why it’s not on the add/remove programs list
The procedure from this site httpwwwprecisesecuritycomblogs20080626antivirus2009.