Whether you support fifty desktops or 5,000, this practical, pocket-sized guide provides ready answers on the day-to-day administration of Windows XP Professional now fully updated for Windows XP Service Pack 2. This indispensable resource zeroes in on essential desktop support issues and procedures, delivering critical details through quick-reference tables, easy-to-scan lists, and step-by-step instructions. In addition to covering the latest service pack, the second edition of this popular book delivers updated information on security administration, files and folders, programs, networking, Windows Firewall, and more.