Hell
go to you control panel, click system, advance tab, under start up and recover click edit you should see thi
[operating systems
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Home Edition" /fastdetec
You will notice that you have 2 entries under operating systems you have to deleate one. The one yuo see here is what i have on my computer so deleate the one that does not look like this and if they both do then just deleate either one. Make sure that u only deleate one though or your system will not boot up at all