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Firefox won't load any websites including offline sites like about:config and other configuration tools

  • 4 replies
  • 1 has this problem
  • 36 views
  • Last reply by DoDo

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I can't access any of the firefox settings or any websites, only on firefox, and I have already tried restarting my computer, opening it in safe mode, deleting the profile, etc. I would rather not uninstall it because this is a school laptop and taking it to the school tech support to reinstall it will put it out of commission for a month. Also, yes, I have full authority from my school to mess with firefox files to get it working. I think it's also probably important to mention that clicking "X" to close firefox or clicking "close window" in the taskbar doesn't work, the only way to close it is by using "taskkill /F /IM firefox.exe". Any help would be appreciated, Thank you.

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Some security software with anti-exploit features may fight with Firefox and result in inability to run child processes necessary to load content into tabs.

Did this problem just start recently? Can you associate it with a Firefox update, system update, or other software change?

Modified by jscher2000

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This problem started 2 days ago when the laptop battery ran out, after recharging and booting up, this problem appeared. There have been no updates to Firefox or Windows for the last month, also no changes to settings.

Edit: I should also add when I tried to open it in safe mode, explorer.exe kept crashing, don't know if that is relevant. Also, I only just remembered these details, I apologize for not including these in my initial post.

Modified by DoDo

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hi, we have seen a couple of reports where external software (like netsupport school) was hooking into firefox causing this - could this be the case on your system as well?

a firefox beta version was just released and has a potential fix for this - could you try it? on the first start it will likely exhibit the same problem, but after you force-close it once and restart the beta build, firefox should hopefully be back in working order: https://www.mozilla.org/firefox/all/#product-desktop-beta

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Yes, there is NetSupport school on my laptop, though it had never interfered with firefox before. I'll attempt to install the beta version myself, thank you.

Edit: Thank you for your help, however, the beta failed to install, I will probably have to take the laptop to school tech support once this pandemic ends.

Modified by DoDo

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