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After installing Firefox 65 on Windows, users are reporting that some websites can no longer be loaded. Firefox 65 update causes “Your connection is not secure” “SEC_ERROR_UNKNOWN_ISSUER” error.
Mozilla is aware of the reports which claim that Firefox 65 causes “Your connection is not secure” “SEC_ERROR_UNKNOWN_ISSUER” error and the company has decided to pull the automatic update to Firefox 65.
A post on Mozilla Bugzilla indicates that there is a possible compatibility issue between Firefox 65 and antivirus software. If you have any antivirus software installed, you could experience connection issues after installing the Firefox 65 update.
Fix “Your connection is not secure” “SEC_ERROR_UNKNOWN_ISSUER” in Firefox 65
- Launch Firefox 65.
- Go to about:config.
- Search for a flag with the following name.
- security.enterprise_roots.enabled.
- Double-click it to set it to true
- Restart the browser.
As per reports, the above workaround addresses the connect is not secure issues. There is a workaround which appears to be working for users who have Avast antivirus software installed. In some cases, you can disable Avast’s HTTPS scanning to address the connection issues.
To fix the connection is not secure issues in Firefox 65, you need to disable HTTPS Scanning in Avast. You can find HTTPS Scanning option in Settings > Protection > Core Shields > Configure Shield Settings and Web Shield.
According to reports, Mozilla has stopped distribution of the Firefox 65.0 update on Windows devices until the issue is resolved.
The post Firefox 65 for Windows is reportedly causing connection is not secure errors appeared first on Windows Latest
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