multipart or corrupt ZIP archive

I’ve tried downloading Cubase Elements 10 Trial version using the Steinberg Download Assistant. I’ve tried on 3 different computers.
2 Win 7 and 1 of them is Win 8.

I get a “multipart or corrupt ZIP archive.”

I was really hoping to be able to try a few things out and purchase before the sale is over tomorrow. However - not looking good for me. It would appear I should save myself the $300.