How to recover the grub menu in Ubuntu

After a successful installation of Windows XP or Vista, users find themselves without a grub menu. For those of you who don't know what the grub menu is, it's the start up screen which allows you to either choose Windows or Linux to boot from. So, how do you recover the grub menu in Ubuntu?

Instructions

1. Boot Ubuntu from the live CD
2. Click Applications -> Accessories -> Terminal
3. Type in the following pressing enter after every line 
• find /boot/grub/stage1
• root (hd#,#) where #,# is your drive and partition
• root (hd#) replace # with your drive
4. Quit the grub editor
5. Reboot your system
   

Hopefully, you have recovered the grub menu and are using Ubuntu again.