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Why does Firefox keep refusing to recognize my valid passwords and usernames at multiple sites, and keep telling me that my info is incorrect when it's correct????

  • 1 reply
  • 1 has this problem
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  • Last reply by cor-el

guybabineau007
guybabineau007
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Why does Firefox keep refusing to recognize my valid passwords and usernames at multiple sites, keep telling me that my info is incorrect when it's correct? Why can't I get rid of all info associated with my old Firefox so that I can reinstall cleanly?

Why does Firefox keep refusing to recognize my valid passwords and usernames at multiple sites, keep telling me that my info is incorrect when it's correct? Why can't I get rid of all info associated with my old Firefox so that I can reinstall cleanly?

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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This issue can be caused by corrupted cookies or blocked cookies.

  • check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions"

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You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.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

"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 -> 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 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 Troubleshoot Mode start window