How to solve Your connection is not secure Firefox error in a few steps!

    I hope this information is useful, I recommend to read the entire article.
    Need help? Ask your question in the comments at the end of the article. I am here to help!

    If you visit websites and Firefox doesn’t load the website, instead Firefox shows you the error message “Your connection is not secure”, “SEC_ERROR_UNKNOWN_ISSUER” then it is advisable to take the following steps in this instruction to solve the SSL (Secure Socket Layer) certificate connection problem.

    Your connection is not secure error originates from a trust issue with the SSL Certificate on the website you are visiting, this your connection is not secure prevents Firefox from successfully loading the entire website.

    Your connection is not secure is basically a protection against misconfigured websites in order to prevent Firefox from visiting website that may steal information by a man in the middle attack. It is complicated protection, however, the fix is usually very simple, follow instructions below to get rid of your connection is not secure errors in Firefox.

    your connection is not secure error firefox

    How to solve Your connection is not secure error in Firefox

    Open Firefox, if you didn’t already. In the address bar type: about:config

    In the warning screen, accept the risk and continue with Firefox configuration settings.

    Use the Windows certificate store

    In the search bar type: security.enterprise_roots.enabled

    security.enterprise_roots.enabled firefox

    Change the boolean type from false to true by double-clicking on it. Doing so allows Firefox to trust and use the Windows Certificate Store.

    Restart Firefox for the changes to take effect and see if the “your connection is not secure” error in Firefox is fixed.

    Reset Firefox settings

    The next step you want to perform if the problem is not solved is to reset Firefox settings.

    Resetting Firefox will change all settings to default as if you had just installed Firefox, this can help you to identify the root cause of the your connection is not secure error.

    After the Firefox reset you can find your old Firefox data in a folder called “Old Firefox data” on your Windows Desktop.
    How to Restore old Firefox data.

    In the address bar type: about:support

    reset firefox

    Click the Refresh Firefox button in the “Give Firefox a tune-up” section. Confirm the reset by clicking Refresh Firefox in the confirmation dialog.

    This will: remove your add-ons and customizations and restore your browser settings to their defaults.

    I hope this article has helped you fix the your connection is not secure errors in Firefox!


    Share this article online!
    Sharing is caring! Do you care about a safer world wide web? I think you do! Help other people by sharing this information on social media. You can use the social media network buttons below.



    More useful articles for you

    Useful? Thank us, please share this article.

    Hi, I am Max ✌🏼I am a computer security researcher. In order to help people, I research adware 🤮and write about everything related to the web browser. I provide our visitors with easy to understand instructions and information. Now I need your help! 🙌🏼  Please, share this article and help other people. Share this information on the internet and contribute to a safer and better online experience for everyone 😍


    Please enter your comment!
    Please enter your name here