Trying to do a repair install of Windows 98 on a customer's pc i.e. reinstalling on top of what's there already. The install gets as far as checking the disk and then tells me that because there's an ...

is there a way for me to upgrade my windows 95 machine using my windows 98 full intallation CD?? I tried it, it saids that I needed a windows 98 upgrade cd. i don't wanna go out and buy the upgrade cd ...