If your genuine windows is at 1st partition (that mean the root drive is at C:) and non-genuine windows is at 2nd partition (usually the root drive is at D:), and when you reboot your computer, you will be asked to choose whether to boot the genuine winxp (1st option) or non-genuine windows xp (2nd option), then you can remove the non-genuine winxp easily by just:
1. format D: drive in My Computer.
2. click Start, click Run, type cmd and press enter.
3. type cd\ and press enter
4. type attrib -r -h -s boot.ini and press enter
5. type notepad boot.ini and press enter.
6. Boot.ini is opened in notepad. del the last line of the file. (the 2nd last line of the file is your genuine windows xp, don delete this line. just delete the last line)
7. Save the file. Exit notepad
8. type attrib +r +h +s boot.ini and press enter
9. type exit and press enter
10. Restart your computer.
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Dear CNET members, i have two similar operating systems (Wndows XP professional)on my Laptop however, one is genuine and the second one is not. I would like to remove the one which is not genuine but i don't know how to do it safely without corrupting the other one. If there is anyone who knows how to do it, please help. My PC is a Dell Inpiron 1300