I am not able to. I am not able to install a Logitech corded Wave Keyboard to my Win. XP operated

Question

I am not able to install a Logitech corded Wave Keyboard to my Win. XP operated Pc. I currently have a Microsoft Natural keyboard with a PS-2 only plug. The Wave keyboard is USB only. I can't get past the "keyboard error or keyboard not installed" on boot up. I have went along with the instruction saying install the keyboard first then install the software and I am not able to get a total software install, in fact only about 1% of the software installs...doesn't work get the keyboard error when trying to install the Logitech. The computer is consistent in booting with the Natural and failing to boot with the Wave. Help!!