Or you can press ALT + PRTSCN buttons on your keyboard, then go into MSPAINT and press CTRL + V and it will paste it in, then save it. Then upload that file here. Pressing ALT button along with the prtscn button will only copy active window instead of whole screen.
That update is actually for windows defender which can be ignored if you are using an active virus program or at least Malwarebytes scanning a few times a week.