Maybe I understand the driver problem on the CD.
You should be missing some correct information for installing the drivers.
Looking at the files I shared, on the CD, in the folder:
CD USB LAN Driver \ RTL8152 \ RTL8150 \ Windows98 and WinMe Driver \ 0001-RTLUSBNT.125_98_EM \ RTLUSBNT.125_98_EM
we find two folders, one for Win98 and one for WinME.
I noticed that when I installed the other drivers, during the installation process, it asked me for the files that are on the Windows98 installation CD.
The drivers present in the CD do not require these files, perhaps for this reason, the installation was interrupted giving an error and it appears that the device has not been installed correctly.
I tried, again from the manufacturer's CD, he installed the ones for WindowsME and he installed them without problems, and here he asked for the famous additional files that are in the Win98 CD.
Obviously, on restart, blue screen.
The drivers are obviously incorrect.
Can you see if anything is missing from the Win98 driver instructions?
Obviously if you are capable of it. I know it's not easy.