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show error page or popup firefox cannot connect to some site

  • 4 回覆
  • 1 有這個問題
  • 41 次檢視
  • 最近回覆由 FredMcD

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can someone tell me the about:config setting for toggling show error page or popup when firefox cannot connect to some site i spent hours finding this on google now the setting has reveted back and i dont remeber I HATE FIREFOX!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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To verify please, you have Firefox version 39 ?

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}


Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?

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Do a malware check with several malware scanning programs on the Windows computer. Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure that you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.

See also:

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browser.xul.error_pages.enabled

that was the setting i was looking for. anyway thanks

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Hello,

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution more easily.

Thank you for contacting Mozilla Support.