We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Website and Add On Updater - 404 Not Found

  • 2 fhreagra
  • 1 leis an bhfadhb seo
  • 2 views
  • Freagra is déanaí ó FredMcD

more options

When trying to access both the Mozilla Website and Plugin in updater via add ons , I get a certificate warning and the page says 404 Not Found when I add an exception.

URLS: https://www.mozilla.org/en-US/firefox/new/ https://www.mozilla.org/en-US/plugincheck/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=plugincheck-update

When trying to access both the Mozilla Website and Plugin in updater via add ons , I get a certificate warning and the page says 404 Not Found when I add an exception. URLS: https://www.mozilla.org/en-US/firefox/new/ https://www.mozilla.org/en-US/plugincheck/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=plugincheck-update

Athraithe ag findingscarlet ar

Réiteach roghnaithe

What add-ons? Have you tried typing the web addresses?

Read this answer in context 👍 0

All Replies (2)

more options

Ok images uploaded

more options

Réiteach Roghnaithe

What add-ons? Have you tried typing the web addresses?