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Om de ûnderfining foar jo te ferbetterjen is tydlik de funksjonaliteit dan dizze website troch ûnderhâldswurk beheind. Wannear in artikel jo probleem net oplost en jo in fraach stelle wolle, kin ús stipemienskip jo helpe yn @FirefoxSupport op Twitter en /r/firefox op Reddit.

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Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

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Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

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

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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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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.