set game resolution to 720p and scretch it back to 1440p
https://www.tus-wa.com/forums/worms-armageddon/activating-stretch-in-windowed-mode-on-3-8-32814/msg276031/#msg276031
https://www.tus-wa.com/forums/worms-armageddon/activating-stretch-in-windowed-mode-on-3-8-32814/msg276031/#msg276031