Boolean modifier is not supposed to be used with curves objects and you can not select them as an operand.

I can see object Called Circle which is default name for Mesh Circle. It's not a closed manifold and can not be handled properly by current modifier implementation. On windows it could indeed crash due to some STL specifics. It is known issue which is already assigned to me.

So thanks for the report, but it's likely already known issues. Let me know if i misunderstand you. Until then marking as closed (duplicates another reports).