Hi, This may be a problem sometimes when sites do not delete / expire their own cookies which they set. Please try this: When this message appears click '''Tools''' ('''Alt''' + '''T''') > '''Options''' > '''Privacy''', click '''Show Cookies...''' and '''Search''' for hotmail, live, msn etc. and click '''Remove Cookies''' and refresh the same page. ............................................................................................................................... Useful links: [https://support.mozilla.com/en-US/kb/Options%20window All about Tools > Options] [http://kb.mozillazine.org/About:config Going beyond Tools > Options - about:config] [http://kb.mozillazine.org/About:config_entries about:config Entries] [https://addons.mozilla.org/en-US/firefox/addon/whats-that-preference/ What's That Preference? add-on] - Quickly decode about:config entries - After installation, go inside about:config, right-click any preference, enable (tick) MozillaZine Results to Panel and again right-click a pref and choose MozillaZine Reference to begin with. [https://support.mozilla.com/en-US/kb/Keyboard%20shortcuts Keyboard Shortcuts] [https://support.mozilla.com/en-US/kb/Viewing%20video%20in%20Firefox%20without%20a%20plugin Viewing video in Firefox without a plugin] [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder & Files] [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode] [https://support.mozilla.com/en-US/kb/Basic%20Troubleshooting Basic Troubleshooting] [http://kb.mozillazine.org/Problematic_extensions Problematic Extensions] [https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes] [http://kb.mozillazine.org/Testing_plugins Testing Plugins] [https://support.mozilla.com/en-US/kb/Troubleshooting%20plugins Troubleshooting Plugins]

The above solution only works the once, next time you log in it's back.

The specific cookie that you need to remove is login.live.com, and you need to do this and refresh the page every time you log out until somebody fixes it.