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how do I stop Javascript app. error on page, a is null, from coming up

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1001crazyrabbit
1001crazyrabbit
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when I open up Mozilla Firefox browser, no matter what I do a box pops up saying JavaScript Application, Error on Page, description of error: a is null. I don't know what I did, but how do I stop this from happening?

when I open up Mozilla Firefox browser, no matter what I do a box pops up saying JavaScript Application, Error on Page, description of error: a is null. I don't know what I did, but how do I stop this from happening?

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cor-el
cor-el
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window.