"NTLDR is missing after" (Windows) after installing Ubuntu

[Robert E. Butts]

On Wed, 2006-09-06 at 02:10 +0900, Craig Hagerman wrote:
> I am a bit confused how I am supposed to recover the ability to
> dual-boot. Do I boot up the Windows rescue CD, allow it to repair the
> MBR, then boot with the Ubuntu CD and alter the grub menu? Any help
> would be appreciated 

I use a third party boot manager called BootItNG to boot both Windows
and [KU]buntu, and have had no problems.  

Once you get back into XP, one of the first things you should do is
create a boot disk.  This article will show you how:

http://support.microsoft.com/?kbid=305595

I'd also recommend downloading GRUB for DOS.  Their extensive readme
will show you how to build a boot disk that is non-system specific -
meaning it "finds" bootable OSes - both Windows and Linux - and offers
to boot them.