I downloaded Firefox and now I can not log onto the web. Not with FF, Chrome, IE or Safari
I just downloaded FF on my MacBook Pro and now none of my browsers will allow me online. It recognizes networks... says i have an IP... but wont recognize the nets. Help!
Every time Firefox opened
== i downloaded FF for first time
Firefox doesn't change any system-wide networking settings, nor does it install any low-level services, which could affect other applications, so it shouldn't cause this, it could merely be a coincidence.
Do you use any antivirus or firewall software? Did you try restarting the computer?
What error message do you get when you try to open a web site?
See also http://support.apple.com/kb/HT1714