text: It IS fixable without reinstalling the OS.\n\nFrom KB article 315261: \n\n"Using the Recovery Console, copy the Ntldr file from the Windows XP\nCD-ROM to the root directory of the current active partition. Follow\nthese steps:\n  1.. Start your computer by using the Windows XP Setup floppy disks or\nby using the Windows XP CD-ROM.\n  2.. At the "Welcome to Setup" screen, press F10, or press R to repair.\n  3.. Press C to start the Recovery Console.\n  4.. Copy the Ntldr file from the Windows XP CD-ROM to the root of your\nsystem partition by using the following commands, pressing ENTER after\neach command:\n    1.. Type cd .. to go to the root of drive C.\n    Note that there is a space between the d and the two periods (..).\n    2.. Type the letter of the CD-ROM drive.\n    3.. Type cd i386.\n    4.. Type Copy ntldr c:.\n    5.. Type Exit.\nIf the partition was not formatted by using Windows, you might also need\nto run the Recovery Console fixboot command to make the active partition\nbootable." \n\nYou might also boot from the Windows CD, press R at the first input screen.  Then go to C:&#92;Windows&#92;, enter in your Admin password if you set one (otherwise it's blank) and then type in fixmbr and press enter.  Answer y to the warning and see if that helps.