How Does Speed up Windows Xp When Booting First Time?

to speed up display destop at first time booting

1. don't keep files in your desktop.
2. don't too much icon in your desktop.
3. edit in regedit HKEY_CURRENT_USER\Control Panel\Desktop\MenuShowDelay then click 2 times in MenuShowDelay change 400 with 0.
4. when still slow also display desktop you scan your computer with antivirus.
5. lessen programs that loading at the (time) of windows booting(example. remove icon winamp in system tray).