Hello,

You may want to post this in the Mod Section for M2TW.

For now I can quickly just advise you to enable the Logs for errors

Open the "medieval2.preference.cfg" file under your M2TW game folder and add the following script at the bottom

[log]
to = logs/system.log.txt
level = * error
Then start the game and after it crashes there will be a error log file under the /logs folder that may help you debug the issues.

Cheers!