Firefox ESR 52.5.0
This fails with error:
Promise { <state>: "rejected", <reason>: TypeError }
TypeError: this.XPIInternal is undefined[Learn More]
However I've re-enabled all extensions by:
Type about:config in a new window's address bar. Type 'signatures' in the search bar.
You should see a line saying 'xpinstall.signatures.required'. Double click on it and 'true' should change to 'false'
Restart Firefox.
However I've re-enabled all extensions by: Type about:config in a new window's address bar. Type 'signatures' in the search bar. You should see a line saying 'xpinstall.signatures.required'. Double click on it and 'true' should change to 'false' Restart Firefox.