Firefox Root Certificate Expiration: Questions & Tips for Updating
Important update! On March 14, 2025, a critical root certificate in Firefox will expire. If you’re still using an older version (before Firefox 128 or ESR 115.13+), it’s crucial to update to Firefox 128 or newer to avoid issues with add-ons, DRM-protected content, and other features.
For full details, check out Update Firefox to prevent add-ons issues from root certificate expiration.
If you have questions about the update or need help with the process, this is the place to ask! Whether you’re just starting or you’ve already updated and want to share your experience, we’d love to hear from you.
Let’s come together, share tips, and ensure we’re all prepared. Drop your questions or insights below!
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Hi plew29881
I would recommend taking a backup of your profile first (do this with Firefox completely closed) and then update following this guide - https://support.mozilla.org/en-US/kb/update-firefox-latest-release. If you need a hand with this, please ask and we will do our best to help.