遅い動作、クラッシュ、エラーメッセージの解決と他の問題 | Firefox ヘルプ

遅い動作、クラッシュ、エラーメッセージの解決と他の問題 | Firefox ヘルプ

An updated version of Firefox is available to address the issues with Add-ons disabled or fail to install on Firefox. You can download the update for your OS here: https://www.mozilla.org/firefox/new/ For Known Issues and Workarounds, please check out the update at https://support.mozilla.org/kb/...