Blender Crashing

Hi all I wasn’t sure where to put this and this made the most sense. I have been working on a car now for months. It is my first real blender product and I started it by following Dark Scarabs tutorial. Now it has gotten further I have been trying new things. This included Cycles rendering and quite recently, a particle system for grass. Problem is I can’t seem to render it because every time it gets to ‘Packing BVHS’ it crashes. Can anybody help fix this problem.
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Are you using GPU? Ton Rosendaal tweeted a few days ago there were a lot of annoying bug reports with 3.14 drivers after the latest release, but he added later that the new 3.14.14 release might help.

No just cpu