Forum Response - Websites will not load after Firefox update

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If you're having website connection issues after a Firefox update, your third-party antivirus software, such as Avast, might be interfering with Firefox's secure connections.

We recommend uninstalling your third-party antivirus software and using the security software offered for Windows by Microsoft:

  • Windows 8 and Windows 10 - Windows Defender (built-in)

For more information and other solutions, see How to troubleshoot security error codes on secure websites.

These fine people helped write this article:

AliceWyman, Roland Tanglao, Joni, Paul
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