Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

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。

not working " unable to connect"

  • 5 件の返信
  • 1 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

Did a reinstall.. no dice firefox did not work after last update. i uninstalled it after trying multiple fixes. now it will not reinstall. I says the installation was interrupted... help

Chrome is working fine. it must be a firefox setting

verified no proxy

Did a reinstall.. no dice firefox did not work after last update. i uninstalled it after trying multiple fixes. now it will not reinstall. I says the installation was interrupted... help Chrome is working fine. it must be a firefox setting verified no proxy

すべての返信 (5)

more options

hello schrepfer, since this can sometimes be caused by malware active on a system, please run a scan with different security tools like the free version of malwarebytes & adwcleaner.

Troubleshoot Firefox issues caused by malware

more options
more options

neither of these suggestions worked... i am using chrome as that works... it is something within firefox. do you have any other suggestions that the items on the standard page? i have tried all of them

more options

what were the results of those two scans?

more options

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select Network. Look for Configure How Firefox Connects and press the Settings button. Check the settings.


Some problems occurs when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}