*   The site could be temporarily unavailable or too busy. Try again in a few
         moments.

   *   If you are unable to load any pages, check your computer's network
         connection.

   *   If your computer or network is protected by a firewall or proxy, make sure
         that Firefox is permitted to access the Web.

when i started mozilla firefox it can"t open site & it shows given below The connection was reset The connection to the server was reset while the page was loading. * The site could be temporarily unavailable or too busy. Try again in a few moments. * If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. ----------------------------------------------- but my other browser open every site == Operating system == 3.6.6. window xp