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I'm compiling links to all the people experiencing the same issue to try and help make CA's job a little easier. Here are all the posts related to the issues with and without logs. If anybody comes up with a solution please let the rest of us know!
To summarize the issue, the game will crash to desktop when any of the new factions from vampire coast (or at least some of them) are completely defeated. Some people seem to think it may be due to them having pirate coves established in the game although this hasn't been proven one way or the other as far as i can tell. All of the posted methods of resolving crashes including and up to a full reinstall and the lobotomies have been attempted on at least one of these saves.