I've used Hotmail for many years and yesterday parent logged into their outlook.com account. Done for the day, shut down.
Today, I go to my user name at Hotmail dot com. It opens in Outlook because I assume that was the last "look" before logging out by parent.
Different look and maybe I try it for a few days.
This box you see in this image won't go away. I'm not sure how it was created because I did not click on Northern Tools.
This window won't move and seemingly can not be moved without a re-boot. I can use the right scroll bar and everything goes up and down except this box.