I randomly crashes and most of the time it restarts my computer. So far this is the only game in my library that manages to do that. I've noticed that my system runs stable when LOD caching is allowed thru the settings.

SYSTEM_OS Windows 8 Pro 64-bit
SYSTEM_CPU AMD FX(tm)-8350 Eight-Core Processor (8 CPUs), ~4.6GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 8 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 01/23/13 11:11:34 Ver: 04.06.05
SYSTEM_LANGUAGE 日本語　(Regional Setting: 日本)
SYSTEM_MEMORY 8152.727MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS AMD Radeon HD 7790
SYSTEM_GRAPHICS_CHIP ATI display adapter (0x665C)
SYSTEM_GRAPHICS_VRAM 1998.582 MB
SYSTEM_GRAPHICS_SHARED_VRAM 2097.355 MB
SYSTEM_GRAPHICS_DAC Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 8.17.0010.1236
SYSTEM_GRAPHICS_DRIVER_DATE 8/15/2013 9:11:14 AM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0