HELP firefox 3.0.6 and safari dont work please click this and read?

ok i am using internet explorer to post this see i have firefox 3.0.6 and when i open it it takes 4-5 whole minutes to load then says operation has timed out and yes ive heard the proxy thing but when i go into tools>options>advanced> there is no networks tab! i open safari it waits 3-4 minutes then says server not responding i have just about done everything and if it helps im using a vista premium with a wireless connection and my signal strength is switching from good to excellent?

Wow! Try clearing cache, restarting? Do a spyware scan. Did you recently download something that may have changed your preferences? Maybe delete firefox and re-install?

Iphone 3G 3GS 3.0/3.0.1 MMS Working! Without SSH for AT&T & T-MOBILE!