You can disable the—sometimes annoying—User Account Control (UAC) prompts for members of the Administrators group, while leaving them active for limited user accounts. This is great if you don’t want others accessing or changing system settings. Disabling the alerts, however, requires editing the Windows Registry:
Value: 0 Enable, 1 Disable
Eric Geier is an author of many wireless networking and computing books including Home Networking All-in-One Desk Reference For Dummies (Wiley 2008), 100 Things You Need to Know about Upgrading to Windows Vista (Que 2007) and Wi-Fi Hotspots: Setting up Public Wireless Internet Access (Cisco Press 2006).