U

Index

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UDP (User Datagram Protocol) 2nd
Uninstall button (Wireless Network Connection Properties dialog)
unique IP addresses
Update Antivirus button (Windows System Tray)
updates
     antivirus software
     Security Center 2nd
     WiFi adapter drivers
     WiFi routers, firmware
     Windows XP
         Automatic Updates dialog box
         installing
         Windows Update 2nd
UPnP (Universal Plug and Play) 2nd
UPnP page (Router Configuration web page)
UPnP Portmap Table (UPnP page)
URL (Uniform Resource Locators), finding information on WiFi routers
USB (universal serial bus) adapters
USB (universal serial bus) hubs
USB (universal serial bus) ports
     computer upgradability
     printers
USB (universal serial bus) slots, network adapters
USB drives
     sharing
     software
     storage space
Use Default button (Advanced Settings dialog)
user accounts
     Computer Administrator accounts 2nd
         .NET Passports
         changing account pictures
         changing account type
         deleting
         logging on/off
         passwords 2nd 3rd
     limited accounts 2nd
         .NET Passports
         changing account pictures
         changing account type
         deleting
         logging on/off
         passwords 2nd
     naming
     pictures
         changing
         digital pictures as
     switching
     type of, selecting
     uses of
User Accounts window
     Change the account type task
     Change the picture task
     Create a password task
     Delete the account task
     Set up my account to use a .NET Passport task
     user accounts
         creating
         naming
         pictures
         selecting type of
User Defined option (Block Services page)
user defined services, blocking