Windows XP Boot Error.... NTLDR is Missing........

Windows XP Boot Error.... NTLDR is Missing........
Insert the Windows XP bootable CD into the system CD driver and reboot your computer.
When prompted a message to press any key to boot from the CD, press the any key.
Once in the Windows XP setup menu press the "R" key to repair Windows.
Log into your Windows installation by pressing the "1" key and pressing enter.
You will then be prompted for your administrator password, enter that password.
Copy the below two files to the root directory of the primary hard disk. In the below example you are copying these files from the CD-ROM drive letter "F". This letter may be different on your computer.

copy f:\i386\ntldr c:\
copy f:\i386\ntdetect.com c:\

Once copy both files, remove the CD and reboot your system