From ghacks (comment section): https://www.ghacks.net/2019/05/04/your-firefox-extensions-are-all-disabled-thats-a-bug/ https://www.ghacks.net/2019/05/04/your-fi

From ghacks (comment section): https://www.ghacks.net/2019/05/04/your-firefox-extensions-are-all-disabled-thats-a-bug/ https://www.ghacks.net/2019/05/04/your-firefox-extensions-ar... This should allow the extensions to work until the next check (Verified locally): 1) Shut down Firefox 2) Open extensions.json (located by about:profile -> Root Directory) 3) Replace all instances of “appDisabled”:false to “appDisabled”:true 4) Replace all instances of “signedState”:-1 to “signedState”:2 5) Save and close extensions.json 6) Start Firefox 7) Close Firefox 8) Open extensions.json 9) Replace all instances of “appDisabled”:true to “appDisabled”:false 10) Start Firefox 11) Disable and re-enable all extensions in about:addons