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Found several more websites that I can no longer loginto

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  • 1 har dette problem
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  • Seneste svar af cor-el

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I have run across a couple more websites that firefox 69.0.3 will no longer allow me to log into from my PC. I have turned off all my ad blockers and anti tracker plug-ins but sites that I used to be able to get to while using windows 7, I can no longer access with windows 10. Has anyone else experienced this problem? One of the websites I can no longer access is the T-Mobile site. I can access the T-Mobile site using Firefox from my phone, but not my PC. Thanks for any help. Rgds

I have run across a couple more websites that firefox 69.0.3 will no longer allow me to log into from my PC. I have turned off all my ad blockers and anti tracker plug-ins but sites that I used to be able to get to while using windows 7, I can no longer access with windows 10. Has anyone else experienced this problem? One of the websites I can no longer access is the T-Mobile site. I can access the T-Mobile site using Firefox from my phone, but not my PC. Thanks for any help. Rgds

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Please explain the problem in detail. What happens? What are the exact error message(s) ?


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This issue can be caused by corrupted cookies or cookies that are blocked.

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 the shield icon at the left end of the location/address bar in case Content Blocking is blocking content.

  • click the shield icon for more details and possibly disable the protection

You can check the Web Console about what content is blocked


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You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.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