Firefox problems

[pikerstunter]

I want to use firefox and i jsut can't.it writes:
The connection has timed out

The server at www.google.lt is taking too long to respond.


    *   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.

even if i set it to default browser...

[unreal]

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

If you have got a firewall make sure that its not blocking firefox from connecting to the internet.