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Troubleshoot when computer won't connect

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  • Last reply by FredMcD

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I'm sending this from my phone because my computer won't connect. I have version 38.0.6 and that it says Funnelcake June 2015, under that is says mozilla37-1.0 It says up to date. Everytime I try to type in an address it says Unable to connect. Can't establish a connection. It won't let me report or troubleshoot because it can't connect to mozilla.org. It's been like this for 30 min. I've tried the refresh, restarting without add ons. Nothing. Help!

I'm sending this from my phone because my computer won't connect. I have version 38.0.6 and that it says Funnelcake June 2015, under that is says mozilla37-1.0 It says up to date. Everytime I try to type in an address it says Unable to connect. Can't establish a connection. It won't let me report or troubleshoot because it can't connect to mozilla.org. It's been like this for 30 min. I've tried the refresh, restarting without add ons. Nothing. Help!

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

While still in Safe Mode

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

Under Advanced, Select Network. Look for Configure How Firefox Connects and press the Settings button. If you are using a proxy, make sure those settings are correct. If there is no proxy, first use No Proxy. If there is a problem, then try System Proxy.


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}