5점중 5점 받음

작성: Firefox user afa19a, 날짜: 12월 5, 2017 · 고유 주소

Due to changes in the Firefox API, this add-on cannot be made compatible anymore for Firefox 57 and above. Best alternative is to reinstall Firefox 56 and to disable automatic updates.

https://www.wikihow.com/Downgrade-Firefox