My laptop is connected to the internet and programs like AIM work, but neither Mozilla or IE will pull up a webpage. I have Symantec Anti-virus because my school requires it. But my desktop works fine at school, its just my laptop.
If you could take a minute to fill in some of your profile information that would be helpful to all members of the forum
Knowing someone's location in the world can be extremely helpful, even if you just put a country.
Also remember to post any problems or questions that you have in the appropriate forums
With regards to your problem, if you're having this problem at home, try restarting your router by unplugging it form the mains, waiting about 10 seconds then plugging it in again. Make sure the settings are saved first though
Do you have a proxy server at school? If you do you may need to tell your browsers where it is. Or you may need to give those programs permission to access the net through your firewall.