Hi friends, how are you all.

I have COMPAQ PRESARIO CQ-40, windows vista is the OS on it but it's very bad. I want to install XP. but this problem has encountered me but I can't solve it so please help.....

***I have done all the instructions without any advantage. What should I do***

I forgot to tell you that this message appear after I boot the xp setup

Go to UBCD (see my signature) download the program, make a boot CD, boot your computer with it, format your drive, check your drive and then try to reinstall XP.

Thanks for your efforts, I didn't try it but thanks again....

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