NTLDR is Missing or Curropt

Resolution :

Boot to Recovery Console
copy x:\i386\ntldr y:\ >> <Enter>
copy x:\i386\ntdetect.com y:\ >> <Enter>
Exit >> <Enter>
(where x: is the drive letter of the optical drive and y: is the partition on which the operating system(os) is installed)
Note : To know which drive letter is for what type Map >> <Enter>