If you have only five minutes, do this. The crash often occurs because the game tries to play the SEGA intro video file ( sega_logo.bik ) using a broken codec. By bypassing the video entirely, you bypass the crash.
Despite these patches, the issue recurs periodically because CA does not always regression-test modded script configurations. The game’s final official patch (as of 2024) left some users with the crash, resolved only via manual workarounds. total war three kingdoms crash after sega logo updated