[Crash] Flashlight aimed at certain locations

Whenever I aim my flashlight at certain areas of the map(s) (always the same ones) the game will instantly freeze and crash to desktop.

The windows crash report always mentions an error unloading datacache.dll

Attached is the MDMP

Rig:

GTX 670 - latest drivers / non beta
AMD 960T OC’ed to 4.0ghz
8GB ram - DDR3
Motherboard: Gigabyte 990FXA-UD3
hl2_4104_crash_2012_9_15T7_10_30C0.mdmp (98.1 KB)

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.