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Firefox stopped being functional. Please help!

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rosetta3786
rosetta3786
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Firefox opens but the tab is blank. The home button does not work, I cannot navigate to any page. I have uninstalled and reinstalled Firefox, but it's not doing any good. I have used Firefox for 4 years on this computer. I don't know what happened.

Firefox opens but the tab is blank. The home button does not work, I cannot navigate to any page. I have uninstalled and reinstalled Firefox, but it's not doing any good. I have used Firefox for 4 years on this computer. I don't know what happened.

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cor-el
cor-el
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It is possible that your security software (firewall, anti-virus) 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:

You can use one of these to start Firefox in Safe Mode:

  • On Windows, hold down the Shift key while starting Firefox with a double-click on the Firefox desktop shortcut
  • On Mac, hold down the Options key while starting Firefox
  • Help > Restart with Add-ons Disabled

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window