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Suddenly I am unable to log into Facebook

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Kathy
Kathy
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Suddenly I am unable to log into Facebook. I have made no changes to my computer or to Firefox. When I try to go to Facebook the credentials box comes up, then before I can type in my credentials another small window appears with the title bar "Not Logged In" and Please Log in to Continue, and two little buttons at the bottom Cancel or Log In. I am unable to input my credentials at all; the little window keeps coming up. I am able to successfully log into Facebook using Microsoft Edge browser.

I am running Windows 7.

Suddenly I am unable to log into Facebook. I have made no changes to my computer or to Firefox. When I try to go to Facebook the credentials box comes up, then before I can type in my credentials another small window appears with the title bar "Not Logged In" and Please Log in to Continue, and two little buttons at the bottom Cancel or Log In. I am unable to input my credentials at all; the little window keeps coming up. I am able to successfully log into Facebook using Microsoft Edge browser. I am running Windows 7.

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cor-el
cor-el
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If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content. You can click shield icon for more detail and possibly disable the protection. You can check the Web Console for messages about blocked content.

You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" for websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window