Thread: Add-ons not working due to certificate expiration

Add-ons Add-on Support
291

Please see https://support.mozilla.org/kb/add-ons-disabled-or-fail-to-install-firefox#w_container-add-ons

:arrow_forward: Thread: Add-ons not working due to certificate expiration - FireFox ESR 52.9.0 (32-bit) and older