After you install Windows XP Service Pack 3 (SP3), Device Manager may not show any devices, and Network Connections may not show any network connections. This problem may occur when an antivirus application is still running during the installation of Windows XP SP3. Applying this fix could help resolve this problem.
Download: Windows XP - KB953979
Install this update to use new Terminal Services features on a computer that is running Windows XP Service Pack 2 connecting to computers that are running either Windows Vista or Windows Server 2008 operating systems. After you install this item, you may have to restart your computer.
Download: Windows XP - KB952155