>>So, perhaps recent update only works in IE 11.
>
>What I was saying is that my Yahoo page probably has customizations that you don't have. So this is why it may not be 100% valid comparison. But if all things fail, I will upgrade to IE 11.

Yes, I understand. I actually don't use my yahoo account at all and I rarely use IE also. I use Google Chrome and gmail. I check my 2 other emails (yahoo & hotmail) may be once in 3+ months. Just checked it today trying to help you, found a bunch of notifications from 'Odnoklassniki', visited it for a moment as well.