Windows Service, and an application programming interface that is provided by Windows Management Instrumentation. The control panel divides the monitored security settings into categories, the headings of which are displayed with color-coded backgrounds. The current state of these settings is determined by the Windows service which starts automatically when the computer starts, and takes responsibility for continually monitoring the system for changes. The settings are made available to the system through a WMI provider. Anti-malware and firewall software vendors can register with the Security Center through the WMI provider. Windows Update settings and status are also monitored and reported. Service Pack 3 The Windows Imaging Component was installed. Management Console 3.0 was installed. MSI 3.1v2 was included. Credentials Security Service Provider (CredSSP) in Windows XP SP3 (Disabled by default) which provides Single sign-on and Network Level Authentication for Remote Desktop Services. A Network Access Protection client and Group Policy support for IEEE 802.1X authentication for wired network adapters was installed. BITS 2.5, part of Windows XP SP3, installed support for IPv6 and certificate-based client authentication for secure HTTP transports and custom HTTP headers. A later update, incorporated into Windows XP SP3, installed Network Diagnostics for Internet Explorer. SHA-2 hashing algorithms (SHA256, SHA384 and SHA512) to the CryptoAPI for validating X.509 certificates has been installed. Later hotfixes and Windows XP SP3 include support for SDHC cards, including those larger than 4 GB but up to 32 GB. Media Center Edition 2005 Windows XP Media Center Edition 2005 includes Microsoft Plus! Digital Media Edition components such as Audio Converter, CD Label Maker, Dancer and Party Mode and screensavers and themes from Microsoft Plus! for Windows XP. Windows Movie Maker 2.5, which includes DVD burning, was included. See also References Windows XP Windows XP