Sysprep can add updated drivers to an installation image with per-machine customizations. The time to preload Windows XP using Sysprep has been reduced using a scriptable WinBOM.ini file that drives Sysprep. Unattended installations are improved in Windows XP with far more comprehensive configuration options for various operating system components. Several improvements have been made to the Package Installer (Update.exe) over Windows 2000. Increased number of Group Policies, including security policies and Resultant Set of Policy (RSoP) management console which allows administrators to see applied policies in logging mode or simulate policy settings that will be applied before committing to changes to objects in planning mode. A Desktop Cleanup Wizard was introduced to help users reduce clutter on their desktops, by looking at the shortcuts on the Desktop and moving any unused ones into a directory called "Unused Desktop Shortcuts". The Desktop Cleanup Wizard operates as a scheduled task that runs once a day to determine if it's been 60 days since the last time the wizard was run. Windows XP can be upgraded to from Windows 98, Windows Me, Windows NT 4.0 Workstation and Windows 2000 Professional. If performing an upgrade setup from Windows 9x family, Windows XP takes a backup of the old installation so that the user can uninstall Windows XP or if setup fails at any point, the system goes back to the previous OS. If Setup completes successfully, users are asked whether they want to delete the backup. This feature is not available when upgrading from Windows 2000 Professional. Windows XP includes a Shutdown Event Tracker (disabled by default) which when enabled from Group Policy allows administrators to document shutdown reasons and analyze the shutdown logs stored in the System log over time to develop an understanding of the cause for most shutdowns. Administrators can choose from a predefined set of reasons or enter their own reasons. Shutdown Event Tracker also takes a system state snapshot just before each shutdown to identify usage of system resources. Windows XP Setup includes a new Quick format option to quickly format large volumes without checking the entire volume for bad sectors. Security features Data Protection API hardening In Windows 2000, an NTLM hash of the user's password was a requirement which technically allowed a potential malefactor to decrypt the Master Key and the NTLM hash directly from the Security Accounts Manager database. Windows XP improves DPAPI security by encrypting