"NTFS.SYS" Missing or Corrupt?

Have you ever encounter this error:-

Windows could not start because the following file is missing or corrupt:
C:\Windows\System32\Drivers\Ntfs.sys

Do you have better option except format and reinstall windows operating system.

This is a simple solution :
Use the Windows XP startup disks or the Windows XP CD to restart your computer.

1. When the "Welcome to Setup" screen appears, press R to select the To repair a Windows XP installation using Recovery Console, press R option.

2. Type the number of the Windows installation that you want to access from the Recovery Console, and then press ENTER.

3. Type the administrator password when you are prompted, and then press ENTER. If no administrator password exists, just press ENTER.

4. At the command prompt, type the following commands (press ENTER after each command): cd \windows\system32\drivers
ren ntfs.sys ntfs.old

5. At the command prompt, type the following command, and then press ENTER:
copy d:\i386\ntfs.sys c:\windows\system32\drivers

6. Remove the Windows XP CD from your CD-ROM drive, type quit at a command prompt, and then press ENTER to quit the Recovery Console.

Restart the computer and you're done!