Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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。

Avatar for Username

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。

Just updated firefox, every time I open it I get a message about a java script application

  • 4 件の返信
  • 6 人がこの問題に困っています
  • 17 回表示
  • 最後の返信者: chloe_am

chloe_am
chloe_am
more options

The message says

[Java Script Application] can't create mcaffee plug-in object. TypeError: Components.classes[cid] is undefined

The message says [Java Script Application] can't create mcaffee plug-in object. TypeError: Components.classes[cid] is undefined

すべての返信 (4)

DanHerlihy74
DanHerlihy74
more options

I have the same problem running in Windows 7 when I launch Firefox 4. The slightly different message I get is - [Java Script Application] TypeError: Components.classes[c] is undefined

DanHerlihy74
DanHerlihy74
more options

Correction - the message I get is - TypeError: Components.classes[c] is undefined

TonyE
TonyE
  • Moderator
more options

That indicates that you are using an add-on that is not compatible with Firefox 4. For details of how to troubleshoot this to find out what one is causing the problem see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

For chloe_am it indicates the version of McAfee add-on is not compatible.

この投稿は TonyE により に変更されました

chloe_am
chloe_am 質問者
more options

Thanks! I just disabled the add on and the message hasn't returned.