I’ve accidentally tapped the F and D keys together when using Alt+D to reach the address bar a few times. There is no matching shortcut or close-window command in the File menu, yet it instantly closes the window. Can someone tell me why?
Edit: Clarified first sentence and added screen shot for the doubters:
Not sure of your OS but Windows 10 has a global setting to “Underline access keys when available” that I think makes them always visible.
If you need to remove this access key, one option is a startup script. In my example in the following article I refer to them as accelerator keys:
https://www.userchrome.org/what-is-userchrome-js.html