Solved Very Strange Keyboard Issue

Salutations SevenForums People. This week I started using a new PC with Win7 Ultimate. There is something wrong with the way my keyboard responds in all first person shooter games. The move forward key stops working when I hit other keys. For example, when I hold the move-forward key down my guy will continuously move forward until I hit a strafe key or a melee key, etc. At that point my...