Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

為了改善您的使用體驗,本網站正在進行維護,部分功能暫時無法使用。若本站的文件無法解決您的問題,想要向社群發問的話,請到 Twitter 上的 @FirefoxSupport 或 Reddit 上的 /r/firefox 發問,我們的社群成員將很快會回覆您的疑問。

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊,或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

了解更多

Restore non-beta version.

  • 1 回覆
  • 3 有這個問題
  • 1 次檢視
  • 最近回覆由 cor-el

more options

Your beta version does not support Lastpass. I need to restore the previous, non-beta version.

Your beta version does not support Lastpass. I need to restore the previous, non-beta version.

被選擇的解決方法

Note that it is the opposite and that the extension developer need to support a specific Firefox release. In this case it is more complicated because Firefox 57+ versions only support WebExtensions and a complete rewrite of a legacy extension is necessary.


You can do a clean reinstall of the Firefox 56 release and uninstall the Firefox 57 version.

從原來的回覆中察看解決方案 👍 0

所有回覆 (1)

more options

選擇的解決方法

Note that it is the opposite and that the extension developer need to support a specific Firefox release. In this case it is more complicated because Firefox 57+ versions only support WebExtensions and a complete rewrite of a legacy extension is necessary.


You can do a clean reinstall of the Firefox 56 release and uninstall the Firefox 57 version.