I have Firefox browsers installed both on my Linux computer and Windows computer, but however, one of them is downloaded from firefox.com.cn(Chinese version) and the other is from mozilla.org(English version). I signed up a Firefox account at the Chinese version Firefox browser and only found that it was impossible(at that time) to login in the English version Firefox browser. I clicked signed up at that time and I ended up with having TWO independent Firefox account but however they do share the SAME email address, and they cannot sync together of course. I just wanna sync my Firefox browsers... plz help, thank you