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After ugrading to firefox 4.0 I can't access the internet at all through the browser. I had to use IE just to request help. Why does 4.0 not detect my internet connection and immediately go to offline mode?

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Well, firefox was working normally until I installed 4.0, but now it doesn't detect my internet connection and immediately starts in offline mode. I did nothing unusual and changed no settings other than upgrading to the latest web browser version as was recommended when I launched the browser initially this morning.

Well, firefox was working normally until I installed 4.0, but now it doesn't detect my internet connection and immediately starts in offline mode. I did nothing unusual and changed no settings other than upgrading to the latest web browser version as was recommended when I launched the browser initially this morning.