Internet not working on PC

[Hatake Kakashi]

Hi everyone,

My net on my pc has been working great since the move to wireless however, today it's chosen to misbehave.
I have three devices connected to my Speedtouch585v6 router, My desktop, sister's laptop and my wii. On my PC, the wireless takes longer to connect nowadays and when it does, my browser(firefox, tried IE as well) doesn't load any pages. I keep getting "the server at xxxxxxxx.com is taking too long to respond". WLM doesn't connect either and when I run the messenger troubleshoot it says my key ports are the problem. I can however access my router page.

My computer is old and doesn't have an ethernet port. (Connected with wireless adapter)
The internet on my Wii works.
I've tried deactivating my firewall(AVG & Zonealarm) to no avail.

I don't know what else to do. Any ideas?

[Hatake Kakashi]

Can't edit but I've fixed the problem. Zonealarm seems to be the cause.

[Tomm]

http://news.bbc.co.uk/1/hi/technology/7499260.stm