Hi - when is this happening - in preview mode?
I would suggest trying another browser, but also trying an old version of you game (do you have some backups?).
yes in preview mode, I tried another browser and got the same result, my backups alsow don't work correctly and if I plug in the x-box controller (my game can also use the x-box controller) it works perfect. It's like if windows 10 mouse and keyboard drivers dont work correctly with construct 2.