The issue with post 4.x on Windows 98 is the authentication, as it requires TLS, modern ciphers and up-to-date certificates which Windows 98 does not provide. As far as I know, no one has gotten around that just yet.
So the patcher isn’t going to help here. You may want to review this thread:
Of important note, enhanox put a lot of effort in that thread on this specific issue too.