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FF suddenly stops loading any sites and if it is closed, you can't launch it again (displays an error message). You can't kill its process from Task Manager.

  • 2 cavab
  • 4 have this problem
  • 3 views
  • Last reply by cor-el

Moatassem
Moatassem
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FF suddenly stops loading any sites and if it is closed, you can't launch it again (displays an error message). You can't kill its process from Task Manager either. While All other browsers are working like charm, FF keeps dead, that's of course until Windows is restarted and FF is resurrected .. again.

FF suddenly stops loading any sites and if it is closed, you can't launch it again (displays an error message). You can't kill its process from Task Manager either. While All other browsers are working like charm, FF keeps dead, that's of course until Windows is restarted and FF is resurrected .. again.

All Replies (2)

Andrew
Andrew
  • Moderator
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Hello,

Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.

(If you're not using it, switch to the Default theme.)

  • You can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
  • Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.

Once you get the pop-up, just select "'Start in Safe Mode"

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.

Thank you.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Which error message do you get?

Can you attach a screenshot?

Use a compressed image type like PNG or JPG to save the screenshot.

A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.

See: