Hm, when running. There's several options to try
1.) set a default printer. trust me on this one
2.) Reinstall or update direct X graphics drivers
3.) An anti-virus could be tampering with Crusade Files. Try and allow it through the anti-virus program if you have one.
4.) Re-install the game from the link to MEGA, the gamejolt one is buggy somehow. If you need anymore help, you're also welcome to come to the Crusade Discord, where fellas are far more active n ready to assist or conversate, plus get good online matches in.