I'm trying this. I get a window that asks me if I want to load Windows XP or Debian Installer. If I choose Debian Installer, it says welcome to grub, and then

I'm trying this. I get a window that asks me if I want to load Windows XP or Debian Installer. If I choose Debian Installer, it says welcome to grub, and then nothing happens for a while and I get the starting screen again.