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Firefox 27.0.1 Cannot Login Yahoo Mail Then Use Internet Explorer 11; Internet Explorer 11 Can Login Yahoo Mail

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  • 1 has this problem
  • Last reply by user633449

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Hi, I have been using yahoo mail for 1x to 2x years and yahoo mail was working fine from internet explorer to firefox over 2x years 14Nov2017 but after this date I could not login yahoo mail which was already login and stayed login before 14Nov2017 in Firefox 27.0.1 Then I tried Internet Explorer 11 which has never login yahoo mail before and it worked Both Firefox 27.0.1 and Internet Explorer 11 running on the same OS Windows 8 in a notebook I have tried to delete cookies and cache; set home page to and then close firefox delete following files which will be re-created when invoking firefox content-prefs.sqlite cookies.sqlite cookies.sqlite-shm cookies.sqlite-wal permissions.sqlite at C:\Users\Username\AppData\Roaming\Mozilla\Firefox\Profiles\yyzlecc7.default Cache OfflineCache startupCache at C:\Users\Username\AppData\Local\Mozilla\Firefox\Profiles\yyzlecc7.default open firefox pop-up; click sign-in; enter username (without password; login failed Invalid passwor please try again open Internet Explorer 11;; click sign-in; enter username (without password; login successful and can see mails; send and receive mails I am 100% sure I enter username password correctly at both Firefox and Internet Explorer my email is I would rather the login failed message were firefox 27.0.1 not supported at after 14Nov2017; if invalid paasword, why could I immediately login with the same username password using Internet Explorer 11?

I have read many cor-el replies and found very helpful Looking forward to reply and thanks


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You are using an extremely ancient version of Firefox. Please update immediately Update Firefox to the latest release