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How To Fix Mozilla Firefox Your Connection is Not Secure Error?

After installing an update in Mozilla may be the security certificates installed in the Mozilla Firefox may be removed or deleted from the existing folder. In general Mozilla offer not to download security certificates for any of the site we have to enable the option to download or we can search the certificates in bulk and store them in a folder located by name of certificates.

If you are facing untrusted connection error in Mozilla and don’t know the procedure to resolve the issue read now How to Fix Untrusted Connection Error in Mozilla Firefox. But if the Firefox is not able to view a site to user and receive connection not secure error follow the procedure below and execute step by step all the methods to Firefox connection not secure error.

firefox connection not secure

Steps to Fix Firefox Problem Your Connection is Not Secure:


Step1: Open new tab in Firefox and type about:config and press enter to open.

Step2: Now a popup will occur asking whether you want to continue allow that.

Step3: Now in search field type security.enterprise_roots.enabled and press enter.

Step4: Now in new tab check whether it is true if not double click on false and toggle it to true.

Step5: Save all the changes and restart the browser and start browsing.


Step1: Press windows button and search control to open first entry named control.

Step2: Open internet options and select advanced option.

Step3: Now select warn about certificate address mismatch to mark it and press apply button.

Step4: Press ok button and restart the button.

Call Mozilla Support Number +1-888-311-3841 to Fix Firefox Connection Not Secure Error

If certificate for a particular site is not found on your system you may face certification error certificate error seen when URL is mismatched for the certificate. If after following methods listed in the blog above the issue is not resolved you will need to contact support. To contact Mozilla Firefox support phone number you can call round the clock at+1-888-311-3841 to get instant help in USA.

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1 thought on “How To Fix Mozilla Firefox Your Connection is Not Secure Error?”

  1. Erna Stull says:

    Greetings! I’ve been reading your blog for some time now and finally got the bravery to go ahead and give you a shout out from Austin Texas! Just wanted to tell you keep up the great work!

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