Go to Start ---> right click My Computer ---->
Properties
If its stated there : Windows Xp Service Pack 2, then SP2 comes
with your version of Windows and there is no way to delete
it.
If its only Windows Xp then go to control panel and Add and Remove
programs and then remove SP2 from there.
Caution - SP2 cover major security glitches in XP. Without it, my
friend once experience a virus so strong that whenever he turn on
his modem for internet, the com restart