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When I try to sign in to my Yahoo email using Firefox on my Mac 10.0, I receive an "Invalid ID and Password" message that makes me sign in with a new password, and then I have to go through this again next time. Help

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I have already cleared the cookies and the cache. The problem does not seem to be with Yahoo, but with Firefox. No other browser causes me this problem.

I have already cleared the cookies and the cache. The problem does not seem to be with Yahoo, but with Firefox. No other browser causes me this problem.

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Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > Cookies: "Show Cookies"