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Version 3.6.6 and Internet explorer will not load sites, so I reloaded the older 3.6.3 of firefox and websites load fine. Internet Explorer still will not load. The error message corresponding with 3.6.6 was that there were problems with the proxy serve

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Upgraded to 3.6.6 and no sites loaded, error in proxy server. Internet explorer will not load either. Reloaded firefox 3.6.3 and sites load fine, but internet explorer still will not load. I was only able to connect to yahoo messenger when websites were not loading.

This happened

Every time Firefox opened

== I upgraded to 3.6.6

Upgraded to 3.6.6 and no sites loaded, error in proxy server. Internet explorer will not load either. Reloaded firefox 3.6.3 and sites load fine, but internet explorer still will not load. I was only able to connect to yahoo messenger when websites were not loading. == This happened == Every time Firefox opened == I upgraded to 3.6.6

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I have a problem with Firefox loading. It will not load and it says Firefox is using a proxy that refuses connection. Check with your network administrator. How do I get Firefox to work. I've uninstalled it and reinstalled it twice. Any help would be great thanks.