i have Windows Firewall on but it don't work. in the past 2 or 3 people hacked into my computer and someone said "get a firewall" and i installed 3 different ones,1 for each time they recommended it. and all 3 times, person who hacked me says:hahaha. so obviously firewalls do not work.
First, Windows Firewall is worthless.

Beyond that, *where* do you see "hahaha"? If it's in mIRC, then it's not a firewall issue, but most likely a script issue. What script(s) are loaded?