Restart Router to Fix Firefox Your Connection Is Not Secure To temporarily disable Avast antivirus software, you can check: Multiple Ways to Disable Avast for PC and Mac Temporarily/Completely 4. You can also temporarily disable the antivirus software, and try to access the problematic websites again to see if it can fix your connection is not secure Firefox error.Īs for how to disable Windows Defender, you can check: 3 Ways to Disable Windows Defender Antivirus on Windows 10 You can run a malware scan to remove malware by using Windows Defender or third-party security software. Sometimes malware or antivirus software may affect your Internet connection and lead to Firefox your connection is not secure error. Check for Malware, Disable Antivirus Software Temporarily You can also click Change button to manually adjust the time and date.ģ. Then turn off Set time automatically After a while, turn on this option again.
“Your connection is not secure” error is also called SSL error. If the certificate cannot be validated, Firefox stops the connection to the website and shows the message. What Does Firefox Your Connection Is Not Secure Error Mean?įirefox your connection is not secure error usually occurs when the validation certificate of the website is not completed or valid. When you attempt to visit some websites using Mozilla Firefox browser, you may receive an error message “Your connection is not secure” to prevent you from accessing the website. If you are looking for a professional disk partition manager, data recovery software, Windows backup and restore software, movie maker and editor, video downloader, MiniTool software offers all sets of solutions. Get an error message “Your connection is not secure” when using Mozilla Firefox browser? Here are 5 tips to help you fix this error.