question updated!

that's my problem. every time when I restart my computer, I always have to choose which system I want to select. I've already delete the files on the D drive, and my computer seems still works fine. however, I couldn't find boot.ini file both in C & D drive. then I open the it using "Run" with commond "msconfig", and the "boot.ini" tag is showed.
in the tag, I found there are two lines showed as:
"multi(0)disk(0)partition(2)WINDOWS= "Microsoft Windows XP Professional" /fastdetect" &
"multi(0)disk(0)partition(1)WINDOWS= "Microsoft Windows XP Professional" /fastdetect"

Does it mean I had two operating system installed record on my computer, even though I've already deleted the files on D driver manually? and How should I solve the problem? any idea?

Thanks!

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