PLEASE HELP !!!!! plz!!! COMPUTER CONNECTION

Hello,
computer config:
Xp - Microsoft
Fios high speed connection router - m424wr
Internet explore
Dell

my computer and wireless has stop working!!! I need help I tried everything that I could with the router and still weird connection. It does not load up web pages and takes really long however it does reconize a Internet connection.


Wireless connection:
Mac - air
safari


is the same. But, Strangly enough I am able to use my limewire software without any trouble and the connection speed is high same with skype software.

Helppp!!!