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Okay, I understand that arguing here is pointless, and the best course of action is to wait for a new patch. If this helps anyone, I've identified one rule to prevent crashes. When capturing a castle of a different faction, avoid using its advantages, specifically the level 2 market for buying or selling artifacts. Sometimes, entering a town by double-clicking it on the map can also cause a crash. It's better to enter the town with a hero. Occasionally, the game might freeze even in your own town, but this is rare. In my opinion, this problem appeared after a patch, but I don't know which one, as I installed the update as a whole. I used to play the game without any issues, and at that time, I didn't have the latest patch or the expansions. I can't say for sure if a previous patch also contributed, but that's not for me to decide. Currently, I've been playing for a couple of hours, and there haven't been any crashes. I'm playing according to these observations. If this helps anyone, I'm glad.