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Firefox won't launch facebook

Firefox Blocked application/service/website
cor-el replied
Donald Lalonde
Donald Lalonde

Firefox recently updated on my Windows 11 desktop. As of yesterday (4/24/2026) and possibly earlier after typing www.facebook.com in the URL input space and hitting enter, no results at all.

Firefox recently updated on my Windows 11 desktop. As of yesterday (4/24/2026) and possibly earlier after typing www.facebook.com in the URL input space and hitting enter, no results at all.

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cor-el
cor-el
  • Moderator
  • Top 10 Contributor

See:

Note that this HTTP3 issue is being investigated by Mozilla.

  • 2034178 - Facebook does not open in Firefox 150.0 (HTTP/3 stalled by endpoint protection?)

(please do not comment in bug reports
https://bugzilla.mozilla.org/page.cgi?id=etiquette.html)

Modified by cor-el

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