It may be open off screen.
Try again and see if there is a taskbar icon for this. If there is, right-click in the taskbar icon thumbnail, and choose MOVE. Use your keyboard arrow keys to bring it back into view.
It may be open off screen.
Try again and see if there is a taskbar icon for this. If there is, right-click in the taskbar icon thumbnail, and choose MOVE. Use your keyboard arrow keys to bring it back into view.