Please see https://support.mozilla.org/en-US/kb/add-ons-disabled-or-fail-to-install-firefox for current solutions and workarounds. Status updates are posted here: https://blog.mozilla.org/addons/2019/05/04/update-regarding-add-ons-in-firefox/
Please see https:/ /support. mozilla. org/en- US/kb/add- ons-disabled- or-fail- to-install- firefox for current solutions and workarounds. /blog.mozilla. org/addons/ 2019/05/ 04/update- regarding- add-ons- in-firefox/
Status updates are posted here: https:/