It appears your keyboard has suffered a sudden and catastrophic loss of focus. Don't worry, it's not your fault. It happens to the best of us.
As a result, you're experiencing a Typo Tsunami of epic proportions. Click the link below to learn more about this Keyboard Recovery Center and how to get your keys working again.
Or, if you're feeling brave, you can enter the Key Stabbing Arena and try to tame the keyboard chaos within.