cannot connect to server when web sites are selected. IE will connect.
the window for firefox comes up, but when a web site is selected in the browser this is presented: Unable to connect
Firefox can't establish a connection to the server at www.facebook.com.
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.
the window for firefox comes up, but when a web site is selected in the browser this is presented:
Unable to connect
Firefox can't establish a connection to the server at www.facebook.com.
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.
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This happens for all web sites?? This troubleshooting article has a number of suggestions. Hopefully one of them will fix it.
Firefox cannot load websites but other programs can | Troubleshooting | Firefox Help