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hide the three lines button

I would like to hide the menu button located at the top right (the three lines button) or hide the access to the firefox settings (about:preferences) but I cannot find an… (閱讀更多)

I would like to hide the menu button located at the top right (the three lines button) or hide the access to the firefox settings (about:preferences) but I cannot find any GPO to do this. How can I hide this button?

Thanks in advance

由 jmprieto 於 2 年前 詢問

由 Mike Kaply 最近回覆於 1 年前