https://blog.wongcw.com/2020/08/03/%e6%9c%80%e6%96%b0%e7%89%88ccleaner%e8%a2%ab%e7%99%bc%e7%8f%be%e6%9c%83%e5%88%aa%e9%99%a4%e5%90%8c%e6%ad%a5%e7%9a%84firefox%e6%93%b4%e5%b1%95%e8%a8%ad%e7%bd%ae%e5%92%8c%e5%85%b6%e5%ae%83%e6%95%b8/
最新版CCleaner被發現會刪除同步的Firefox擴展設置和其它數據