cannot install from cd roms?

windows 98se
2 cd roms; e: f: both sony

I am trying to install the sony drivers for my f: cd r/w. When I put the cd in either e: or f: and click on that drive , I get the old “illegal operation” error.

I just reformatted hard drive and reinstalled windows 98 se..

I cannot install any of my other programs until i get this resolved.

help