Mozilla Discourse

[FIXED] Certificate issue causing add-ons to be disabled or fail to install

Add-ons Announcements

Topic		Replies	Views	Activity
Error - the add on downloaded from this site could not be installed because it appears to be corrupt old version Add-on Support	4	1490	July 12, 2024
Addons certificate fix for old FF versions? Add-on Support	4	1534	May 8, 2019
Thread: Add-ons not working due to certificate expiration - FireFox ESR 52.9.0 (32-bit) and older Add-on Support	45	7393	May 18, 2019
Thread: Add-ons not working due to certificate expiration Add-on Support	379	60392	December 7, 2020
Ublock stopped working addons.mozilla.org	6	7312	May 4, 2019