How to removal of one of the OS out of the two(2) OS on the same drive?

[sushan]

I have installed WIN XP SP3 dark edition on the same drive where I had Win xp sp2 installed,now I wished to uninstall or remove the Win XpSp3 dark edition completely so that I have only SP2 there on drive C: but how to? Please suggest me without formatting the C: drive

I have 160 GB HD and 1 GB RAM with MSi MB with Intel chips;FYI, I have bought WIn Xp SP3 dark edition from the local market.....

Please do email the request to my email id or facebook, this is URGENT!!!!

Thank you for your time

[leo61611616]

It is not possible to remove it now. You will have to format the drive.
Two OS working simultaneously, on the same drive is not possible. When you install 2 versions of XP the previous one gets updated with the new one.