well i installed a firewall.... and im on a LAN (Local Area Network) and the firewal was shareware and out of date so i couldn't use it.. but it blocked off an IP... or said somethign like TThe system's IP conflicting with another systems ip, somfing like dat... and now the net doesn't work or mayb this is juz another problem since i can run mirc/msn but not visit websites or cnonect to kazaa the firewall is fully uninstalld, and it goes check the system log..., or contac your sys admin!!!