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! 🎁

当サイトはユーザー体験を改善するためのメンテナンスを実施中に機能が制限される予定です。記事を読んでもあなたの問題が解決せず質問をしたい場合は、Twitter の @FirefoxSupport、Reddit の /r/firefox で、サポートコミュニティが皆さんを助けようと待機しています。

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。

Reset Firefox at least once a week so uninstalled and downloaded. Will not open.

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

more options

Firefox would freeze up so I had to reset at least once a week. Decided to uninstall and download. Now I get message "Your Firefox profile cannot be loaded. It may be missing or inaccessible." and Firefox does not open. I have tried to intall 3 times. Restarted laptop each time.

Firefox would freeze up so I had to reset at least once a week. Decided to uninstall and download. Now I get message "Your Firefox profile cannot be loaded. It may be missing or inaccessible." and Firefox does not open. I have tried to intall 3 times. Restarted laptop each time.

すべての返信 (1)

more options

Follow these steps carefully. If you have any question, just ask.


  • 1

Download Firefox Full Installer For All languages And Systems {web link} Save the file. Then;

  • 2

Uninstall Firefox from your computer {web link}

After, reboot the computer. Then run the full installer.


If you still have a problem, create a new profile. After, make sure it works. Then you can transfer from old to new.

https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile

https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible