http://bugs.winehq.org/show_bug.cgi?id=30048
--- Comment #2 from A Wine user RandomAccountName@mail.com 2012-03-01 02:19:14 CST --- (In reply to comment #1)
What's point in running Windows setup under Wine?
It's supposed to be able to save a bootable installation image, which can then be written to a DVD or USB drive and booted into later (or with a VM). But it apparently needs to get through this compatibility check before it'll offer that option.