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I've got a bit weird problem.
it's been a while that Firefox keeps dying. I mean it's not crashed, everything is working fine, I can do all things like opening and closing tabs and use many plugins. The only problem is, it does not load any and I mean absolutely any page, no matter if I click on a link or click on my bookmarks or even manually enter the address.
It keeps staying in the Connecting state for a minute or two and then gets working again.
It happens every now and then but mostly when I have just opened the browser.

It's been like this from Firefox 5 to version 9 (latest)!

NOTE: I'm using Ubuntu (oneiric).

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Does this occur on other browsers on your computer? – music2myear Jan 10 '12 at 17:57
    
I have to say that I have had so many problems with FF that I have switched back to Chrome. I had problems EVERY time FF updated and finally it crashed completely. – Xavierjazz Jan 10 '12 at 17:59
    
@music2myear Nope, everything is fine with them. – Hamed Momeni Jan 10 '12 at 18:04
    
@Xavierjazz Ahhh, the old debate about browsers. In my opinion FF with all it's problem is a far better browser that Chrome will ever be. – Hamed Momeni Jan 10 '12 at 18:10
    
Do the troublesome pages open when you use their IP address instead of a name? Have you tried changing DNS servers? When it won't load a page does it just hang, or do you get any error messages/pages? – Ƭᴇcʜιᴇ007 Jan 10 '12 at 18:13

Try uninstalling it and reinstalling it again. I had these kind of problem before and reinstalling it fix the problem.

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Unfortunately that is not the case for me. even after reinstalling the whole OS the problem persists. – Hamed Momeni Jan 10 '12 at 18:05

Couple of things to try:

  • try accessing webpage by IP address for example: http://85.128.128.36
  • is it possible that you have firewall? try to turn it off? maybe it's blocking firefox explicitly?
  • try changing dns servers you are using (although reading comments mean other browsers are working fine so I guess dns servers should be fine too). Try to ping
  • any addons ? disable them all or even start firefox in Safe Mode or a more Ubuntu way
  • does telnet google.com 80 outside of browser (in shell) works ?
  • check any proxy settings in Firefox, comparing to other browsers? or maybe other browsers are using Proxy that your network requires you to?
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