I am not sure why you would ever want to do this except probably if you do not have a windows enabled keyboard but here is the tip anyway (tip for the sack of tip !!!!). To disable use of Win key, open registry by going to START-RUN and entering regedit. Navigate to
[HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Keyboard Layout] . In this look for value of "Scancode Map". Its binary data so be extra careful:
