Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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.

Learn More

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。

Cannot open attached files on thunderbird email because the associated helper application does not exist. Change the association in your preferences.

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

more options

Cannot open attached files on thunderbird email because the associated helper application does not exist. Change the association in your preferences.

Cannot open attached files on thunderbird email because the associated helper application does not exist. Change the association in your preferences.

すべての返信 (1)

more options

well go to preferences and change the application you want to use on those type of files. Search on applic and a list of file types in a content type box will appear that you can edit.