The latest update which bumps Version 1607 to Build 14393.497 was applied to my machine a couple of days ago.
Today, for the first time ever, I had a pop-up come out of the Edge icon in the taskbar when Edge was not running (and it is not enabled to run in the background - I double checked) when I was working in Firefox touting itself as a better alternative, safer, etc. This I do not like and do not want.
I presumed that this was some function of Edge, but am not certain at this point. Whatever it is, I want to turn it OFF. If anyone has guidance, I'd appreciate it.