if you want to disable network automatically on shutdown for windows 7 64bit
use notepad type the disable command line from Raptor's answer above and save it as a .bat file
Run gpedit.msc and go to...computer configuration,windows settings,scripts,shutdown
double click on "shutdown", click on "show files", paste the .bat file in the popup folder.
click on add to add the .bat file.
:)
