If you don’t want users to access the Control Panel and want to completely remove the shortcut on the Start Menu, create the following registry entry:
Hive: HKEY_CLASSES_ROOT
Key: Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Name: NoControlPanel
Type: dword
Value: 1
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Eric Geier is an author of many wireless networking and computing books including Home Networking All-in-One Desk Reference For Dummies (Wiley 2008) and 100 Things You Need to Know about Upgrading to Windows Vista (Que 2007).