I had a similar issue with 32-bit software with a 16-bit installer. I've solved it by installing it within a VM running a 16-bit compatible OS, then copying the

I had a similar issue with 32-bit software with a 16-bit installer. I've solved it by installing it within a VM running a 16-bit compatible OS, then copying the resulting program folder over to the main OS. Have you tried something like this?