Mozilla サポートの検索

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

詳しく学ぶ

このスレッドはアーカイブに保管されました。 必要であれば新たに質問してください。

I have installed Firefox on my PC and android phone but it keeps telling me to install on the other device

  • 1 件の返信
  • 1 人がこの問題に困っています
  • 2 回表示
  • 最後の返信者: cor-el

more options

I installed the new Firefox on my PC and then on my Android phone. But when I sign in on either the phone or PC it says I have to install firefox on another device.

I installed the new Firefox on my PC and then on my Android phone. But when I sign in on either the phone or PC it says I have to install firefox on another device.

すべての返信 (1)

more options

Is this about accessing the accounts.firefox.com website?

Can you login to the Firefox account via this web page?


Clear the Cache and remove the Cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" from websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Manage Data

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear