https://bugs.winehq.org/show_bug.cgi?id=30804
--- Comment #4 from Béla Gyebrószki gyebro69@gmail.com --- (In reply to hanska2 from comment #2)
The demo most likely has the same issue as other total war games. There is a patch that bypasss that crash, but it isnt merged into wine.
Look at this
This bug has nothing to do with bug #18490 This is about the first Medieval: TW game which uses a different (older) engine.