bot crashes

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read previous threads... reinstalled game... same issue occurs...runs for a while then shuts down... playing crusader running act 1 bounties is the map (have tried others with same result)... if I watch it runs all around, not necessarily doing as expected (ie bounty itself), leaves deaths breath on ground...then arbitrarily shuts down...not sure what is going wrong... made sure not to make any changes to settings (other than what were suggested in prev threads)...
suggestions? ideas? resolution?