hacker and intrusions

From: dee (anonymous_at_discussions.microsoft.com)
Date: 01/02/04 

Date: Fri, 2 Jan 2004 09:38:23 -0800

i have,linksus firewall hub, zonealarm for internet, and
norton, and pestcontrol for some reason stopped servicing.
i have intrusions of various kinds like BWk ( which i
found the nam Brian Kernigham beside it on my intelligent
research'bar which i can't remove) he is stuck on my
toolbar, and when i try to get rid of it i get a explorer
close down message. help.. what other securities should i
go after?