Keyboard not registering any keys.

Hey riot i know youre busy being shit and all but i came to check if this bug still is a thing ever since the preseason and you STILL havent fixed this awful awful bug. If you dont know what it is, sometimes when you load into game none of your keys will work, flash any abilites, leveling any abilites, wards, shop, anything. But yeah riot get off your lazy ass and fix this bug already im tired or seeing it.