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Can no longer use Firefox as browser due to error message below

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frances.gretes
frances.gretes
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Gah. Your tab just crashed. We can help!

Choose Restore This Tab to reload the page.

THIS MESSAGE APPEARED TODAY AFTER YEARS OF USING FIREFOX AS MY DEFAULT BROWSER. I CANNOT REACH ANY WEBSITES NOW. PLEASE HELP.

Gah. Your tab just crashed. We can help! Choose Restore This Tab to reload the page. THIS MESSAGE APPEARED TODAY AFTER YEARS OF USING FIREFOX AS MY DEFAULT BROWSER. I CANNOT REACH ANY WEBSITES NOW. PLEASE HELP.

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