I did answer in the other board you posted this in Chiicagocel, but nevermind, its not important, ill just say the same here.
BTW, welcome to the forums.
It would be very helpful if you could profide this info aswell, help us to help you.
What is your OS (Example WINdows XP)
Avast version and VPS
Exsact filname/ path of activesecurity.ocx (where is it on your computer)
What have you already tried.
Any other info you feel could help.
--lee