I have already successfully complete my formattings and instalation of my windows xp Professional sp2 and have also installed few softwares. But then i reallised that i have registered that computer in my name"Simon Kaitip" and now i want to change it but i dont know how. So now i just wanna ask you if you can help me sort out or correct my error cause i dont wanna reformatts every thing and start over again.

Hope to hear from you very shortly.
Thanks and Cheers.....