I did a bit of searching and I found a few app's that might do it for it. I haven't tested any of them out, nor have I used these websites before. It's probably a good idea to scan them before installing (if you want to install them).
Here's one
http://www.freedownloadmanager.org/d...board_46394_p/
If you want, I could write a program that might be able to disable your keyboard until you reboot the system.