If it is not firewall or security issue, you may want to check the router
settings or upgrade the firmware. This search result may help.
Vista Internet Access Issues
Vista can't access the Internet because of TCP/IP settings Vista can't
access the Internet because of security software Vista drop the Internet
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"takhaet" <email@example.com> wrote in message
> Ok so i have been having A problem accessing Firefox and Internet
> Whenever i try to go and browse something it wont load.
> I click diagnose the problem and it says:
> Website cannot establish port on HTTP with this computer.
> I have:*
> Disabled WIndows defender
> Uninstalled norton internet security
> Disabled my windows firewall.
> Added internet explorer to firewall exceptions
> Have made my router A DMZ
> I can ping 'Google' (http://www.google.com) fine in the cmd prompt.
> Whats wrong here???