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Since a few days ago, Firefox hangs for whenever I go to AJAX script intensive sites, such as Gmail of Yahoo mail.

  • The site loads fine, but when I click on, say inbox, everything freezes.
  • Firefox does not respond at all for a long time (many minutes).
  • No processor cycles are being used
  • resetting Firefox profile, disabling add-ons, safe-mode.... nothing helps.
  • Did some Windows-7 updates recently.
  • It's a corporate laptop, so who knows what other updates, software are installed.
  • Everything is fine through Chrome.
  • Sometimes Firefox will give a "script not responding" message, but it doesn't clear the freeze if I click to stop script.
  • Sometimes Gmail will give a "you might want to disable Google labs" message, but it doesn't clear the freeze.

Any advice?

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Have you tried using firebug to see where the timeouts are coming from? –  soandos Jul 29 '12 at 14:41
    
Which version of Firefox are you using? –  amiregelz Jul 29 '12 at 14:43
    
@amiregelz: The latest, 14.0.1: That update was recent too. –  ThePopMachine Jul 29 '12 at 14:47
    
@soandos: Well, I have just installed it, but this is probably beyond my capabilities unless you tell me what to look for –  ThePopMachine Jul 29 '12 at 15:02
    
FWIW, Google Maps seems to work fine (!) –  ThePopMachine Jul 29 '12 at 15:03

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