This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

cAN'T START YAHOO MAIL - Authentication.InvalidCredentials

  • 2 (ردّان اثنان)
  • 1 has this problem
  • 1 view
  • آخر ردّ كتبه cor-el

dickpn
dickpn
more options

I get the following error while trying to start yahoo mail in firefox. Works fine in chrome.

{"name":"Authentication.InvalidCredentials","message":"The user cookies are not valid anymore.","code":0,"data"

{"type":"XHR","reason":"COOKIE_CHECK_SIGNATURE","statusCode":401},"token":"MAIL-ERROR"}
I get the following error while trying to start yahoo mail in firefox. Works fine in chrome. {"name":"Authentication.InvalidCredentials","message":"The user cookies are not valid anymore.","code":0,"data" :{"type":"XHR","reason":"COOKIE_CHECK_SIGNATURE","statusCode":401},"token":"MAIL-ERROR"}

All Replies (2)

FredMcD
FredMcD
more options

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

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

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

"Remove the Cookies" from 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