Ubuntu not discovering other OS on my friends computer

I got burned by Ubuntu not discovering other OS on my friends computer.  I found the answer in the link shown below.


http://askubuntu.com/questions/11916/how-to-restore-windows-xp-menu-entry-in-grub




All we need to do is include the following five lines under /boot/grub/grub.cfg #40 custom OS detections......





As always try to take backup before you screw up something real bad.

menuentry "Some Operating System (on /dev/sda1)" {
    insmod ntfs
    set root='(hd0,1)'
    chainloader +1
}