How to disable the Windows key?

Should you ever be in need to disable the functionality of the Windows key on your keyboard, here is the solution: http://support.microsoft.com/kb/216893. Many Gaming keyboards have an extra switch which allows to enable and disable the Windows key on the fly. Users of classical keyboard will have to change the Windows registry for it (or let Microsoft do it for you by running the scripts on the linked page) and restart the computer. It is perfectly safe.