Speed Up XP Booting.
Start Registry Editor (Regedit.exe).
Locate the following key in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\Current ControlSet\Control\Ses sionManager\MemoryManagement\Prefetch Parameters
Make sure you backup the keys by exporting them to a .reg file.
On the EnablePrefetcher value, change the setting from 3 to 5 (decimal).
Close the registry editor.
Restart your computer.