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Residential sign in There was an unexpected internal error. Please try again.

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When I try to logon a site I get this message. Residential sign in

There was an unexpected internal error. Please try again.

Some one suggested I try to logon using another browser. I tried it on Microsoft Edge and I can logon with no problem. So it only happens with Firefox. I am on Firefox 78.0.2 (64-bit)

When I try to logon a site I get this message. Residential sign in There was an unexpected internal error. Please try again. Some one suggested I try to logon using another browser. I tried it on Microsoft Edge and I can logon with no problem. So it only happens with Firefox. I am on Firefox 78.0.2 (64-bit)

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The issues you describe can be caused by corrupted cookies or blocked cookies.

You can try these steps in case of issues with web pages:

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.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