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Firefox cannot (or refuses to) connect to any website, but connecting to local addresses (10.0.x.x) works fine.

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After loading Firefox, attempting to access any website via History, bookmarks, or typed into the address bar does not result in any action whatsoever, apart from a message on the status bar flashing so briefly I can't make it out - (the status bar does report "Looking up host.." but after that, I don't see what happens until it happily reports Done. - done *what*, Firefox?)

After loading Firefox, attempting to access any website via History, bookmarks, or typed into the address bar does not result in any action whatsoever, apart from a message on the status bar flashing so briefly I can't make it out - (the status bar does report "Looking up host.." but after that, I don't see what happens until it happily reports Done. - done *what*, Firefox?)

All Replies (3)

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A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.

See:

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I have no such software installed on the computer in question.

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Also, I doubt the issue is firewall related as other browsers (such as Safari, which I am forced to use currently) are unaffected.