Troubleshooting and Internet Explorer's (No Add-ons) Mode:
If you really wanna disable all Add-ons in one swell foop (...), do a Reset:
When you use Internet Explorer 8, you cannot access your Webmail:
More questions about the webmail account? Contact Yahoo Mail Support or
switch back to Yahoo Classic Mail.
OT: Your headers (Microsoft Windows Live Mail 14.0.8064.206) tell us that
you're running an outdated version of Windows Live Mail and any other
Windows Live apps. Current build of Windows Live Mail is v14.0.8089.0726.
~Robear Dyer (PA Bear)
MS MVP-IE, Mail, Security, Windows Client - since 2002