Hm... There might be a stuck key on your keyboard. If you have a spare keyboard, disconnect the one your currently using and try the other one. If the problem persists, try this. You should try to turn off Game Mode which might be kinda buggy. To do so press the Windows Key + G when your game is selected (opened), then select the Settings icon, and look for "Use Game Mode for this game" and make sure it is turned off. If this STILL doesn't help, try this. Try updating your graphics drivers. To do so, press the windows key and search for "Device Manager". When it opens, search up the name of your graphics card. When you find it, right click on it and clcik on "Update Driver" from the options. Finally select “Search automatically for...