If you have the expansion (which most people do), the Steam launch path is often broken. The standard launcher tries to launch the expansion, fails to find files, and crashes.
The Ultimate Fix Guide for Medieval 2: Total War "Unspecified Error"
Perhaps the most haunting thing about the "unspecified error" is what it represents. In an era of auto-updating Steam clients, crash reporters, and day-one patches, Medieval 2 remains a fossil from a wilder time. The error is a reminder that this game was built by humans, on deadlines, with duct tape and miracles.
Corrupted settings are a common cause.
Windows 10, Windows 2012/2020/2022
Red Hat, Suse, Ubuntu, Fedora & Others with GTK*
and comes with 30 Days Money Back Guarantee. 







