read this thread - and get the HOTFIX -
<a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/questions/4565683-illinois-forms-not-available?jump_to=comment_7290275">http...>
you can also just try ---> Online --> Check For Updates
I think the problem is that the Illinois forms are out there, but not triggering the normal download.....
