Proxy Server Refused Connection

The connection was refused when attempting to contact the proxy server you have configured. Please check your proxy settings and try again

The browser is configured to use a proxy server, but the proxy refused a connection.

* Is the browser's proxy configuration correct? Check the settings and try again.
* Does the proxy service allow connections from this network?
* Still having trouble? Consult your network administrator or Internet provider for assistance.

Whats wrong?
Its just Firefox....Interent Explorer works fine

I really wanna use FireFox

it has to do with how you configured your proxy when you first used firefox
i would go to
tools > options > advanced > and click the settings button under connections so you can change how your proxy is done

try deleting firefox and installing it again.it might work.the samething happened to me.sometimes firefox has its issues lol..but its so much betta then internet explorer..no viruses and quicker....