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

Quantum rejects all certificates

  • 1 reply
  • 63 have this problem
  • 2 views
  • Last reply by major7

more options

Fresh install of quantum on macos high sierra. rejects all https connections with invalid certificate, including https://www.mozilla.org/en-US/firefox/57.0/firstrun/ both Chrome and Safari work correctly

Fresh install of quantum on macos high sierra. rejects all https connections with invalid certificate, including https://www.mozilla.org/en-US/firefox/57.0/firstrun/ both Chrome and Safari work correctly

Chosen solution

never mind, Avast Web shield problem

Read this answer in context 👍 7

All Replies (1)

more options

Chosen Solution

never mind, Avast Web shield problem