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

Firefox Browsing error

  • 1 reply
  • 1 has this problem
  • 1 view
  • Last reply by FredMcD

more options

Hello, I am trying to open a website on Mozilla Firefox browser, but continuous getting an error message "Your connection is not secure". Although this website is opening on other browsers. Help me to solve this issue as its lower the speed of my work. Please help

Hello, I am trying to open a website on Mozilla Firefox browser, but continuous getting an error message "Your connection is not secure". Although [https://bernedoodlebreed.com/ this website] is opening on other browsers. Help me to solve this issue as its lower the speed of my work. Please help

All Replies (1)

more options

Good looking dogs.

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean