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.

ఇంకా తెలుసుకోండి

Firefox won't open FaceBook on my Mac.

  • 1 ప్రత్యుత్తరం
  • 3 ఈ సమస్యలు కలిగి ఉన్నాయి
  • 2 వీక్షణలు
  • చివరి సమాధానమిచ్చినది guigs

more options

This is the message I get (which usually offers to add a security exception, but not in this case) when I try to open FaceBook in Firefox.

www.facebook.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. (Error code: sec_error_unknown_issuer)

Also, GUI's aren't present, just hyperlinks using Firefox to browse Firefox's help page.

This is the message I get (which usually offers to add a security exception, but not in this case) when I try to open FaceBook in Firefox. www.facebook.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. (Error code: sec_error_unknown_issuer) Also, GUI's aren't present, just hyperlinks using Firefox to browse Firefox's help page.

ప్రత్యుత్తరాలన్నీ (1)

more options

HI DrewPri, In your browser open up about:permissions in a new tab. Search for facebook and click "Forget this site". This will remove all the cached pages, cookies and certs for facebook locally. Restarting Firefox and logging in will request a new certificate.