Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Wont work with Windows 10 and Avast!

  • 1 odpoveď
  • 1 má tento problém
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  • Posledná odpoveď od user633449

Mozilla Firefox problems:

a). Wont open in Windows 10 - gives message: "Secure connection failed"

b). When I open "Extensions", message reads: " Avast on line security could not be verified in Firefox. Proceed with CAUTION"

PLEASE ADVISE.....

Mozilla Firefox problems: a). Wont open in Windows 10 - gives message: "Secure connection failed" b). When I open "Extensions", message reads: " Avast on line security could not be verified in Firefox. Proceed with CAUTION" PLEASE ADVISE.....

Všetky odpovede (1)

Avast has been causing many issues in Firefox lately, especially on Windows 10. I'd suggest disabling the Avast add-on, it is useless anyway.