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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Firefox v58 unusable as identifies nearly all website as insecure

  • 5 majibu
  • 14 wana tatizo hili
  • 1 view
  • Last reply by cor-el

vbillc
vbillc
more options

Nearly all websites identified as "insecure" and cannot be accessed in latest "stable" version e.g. Google: Your connection is not secure

The owner of www.google.co.uk has configured their web site improperly. To protect your information from being stolen, Firefox has not connected to this web site.

This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate.

Learn more…

Report errors like this to help Mozilla identify and block malicious sites

www.google.co.uk uses an invalid security certificate.

The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported.

Error code: SEC_ERROR_UNKNOWN_ISSUER

Nearly all websites identified as "insecure" and cannot be accessed in latest "stable" version e.g. Google: Your connection is not secure The owner of www.google.co.uk has configured their web site improperly. To protect your information from being stolen, Firefox has not connected to this web site. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate. Learn more… Report errors like this to help Mozilla identify and block malicious sites www.google.co.uk uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. Error code: SEC_ERROR_UNKNOWN_ISSUER

All Replies (5)

philipp
philipp
  • Moderator
more options

hi, please give us more information about the error by clicking on the error code, copying the text to the clipboard and then pasting it here into a reply in the forum like shown on the screenshot.

thank you!

vbillc
vbillc Mwenye swali
more options

I'll try. I tried to do this when I reported the issue but as it identifies Mozilla as "insecure" I got blocked when I tried to get the additional information when I used the feedback link to report the problem. I had to use another browser to report the fault

vbillc
vbillc Mwenye swali
more options

Tried again but same problem - Catch 22. Now using v57.0.4 which works fine. Also latest beta v58.0b16 has same issue

philipp
philipp
  • Moderator
more options

could you copy the information as shown in firefox and paste it here into a forum reply with a different browser that works then?

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

See also:

You can check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar.