>>I have the same problem and nothing changed in my browser environment.
>
>I tested on two different PCs. And, the test has been done with two different browsers. And, I cannot simualte that. The only time I can simulate that is if I login at the same time from two browsers, either on the same PC or from different PCs. And, that would be a normal reaction because only one session is supported at the same time.
I did do something since yesterday - I completely cleared my browser's cache including saved cookies.
In the End, we will remember not the words of our enemies, but the silence of our friends - Martin Luther King, Jr.