Who will shut down production shortcuts

To use% windir% \ system32 \ rundll32.exe user.exe, ExitWindows system caused the shutdown shortcuts, and some computers may be, but some computer tips:

application or DLL c:\ windown \ system32 \ user.exe invalid windows of the image, rundll32.exe-damaged image, user.exe Error loading

I ask why? how to make?

rundll.exe user.exe, exitwindows (in rundll.exe and there are user.exe in the middle of a blank grid.)
or shortcut to fill in the kind of direct
shutdown — s-t 0 windows optimize the Masters.”shutdown” add to the right, right-click on the desktop, the new shortcut inside enter shutdown-s-t 1
completion point, we can, convenient and practical .