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400 Bad Request You may have typed the address incorrectly or you may have used an outdated link

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Whenever I'm trying to open the AWS accounts I'm getting the below error please help me with it

400 Bad Request

You may have typed the address incorrectly or you may have used an outdated link

Whenever I'm trying to open the AWS accounts I'm getting the below error please help me with it 400 Bad Request You may have typed the address incorrectly or you may have used an outdated link

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A 400 "Bad Request" error issue is usually caused by corrupted cookies.

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings), click the padlock icon (Clear cookies and site data) for the domain in the selected tab.

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

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

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