had same issue here, before 054 is all good

game crash randomly in every mode, but crash faster in mp( means I may be able to play sp/editor for 15 minutes, but if I play the mp game, game will crash average under 5 minutes)

I set my cpu to original state, still crash
(I even tried to set A3 to standard and low and 1000m, still crash)
maybe the only thing I can do now is patiently wait :)
really, I tried everything except re-install OS, anyway,good work BI!
A3 is amazing, much much much better then A2+ACE+$@#$mods, and at least I can play for 10 minutes... not too bad actually :P

I tried 306.97 and 314.14, I tried completly remove all diver and clean install, but no difference...
My cpu is overclocked to 4.2, I did nothing to my gpu
cpu's highest temperature is 54 Celsius, gpu is 71 ( 19 minutes until crash)
and I uploaded my latest arma3.rpt

I'm pretty sure that my hardware is 100% fine, but the situation is getting stranger: {Fault Module Name: StackHash_0a9e}

Problem signature:

  Problem Event Name:	BEX
  Application Name:	arma3.exe
  Application Version:	0.5.102.571
  Application Timestamp:	512deb6a
  Fault Module Name:	StackHash_0a9e
  Fault Module Version:	0.0.0.0
  Fault Module Timestamp:	00000000
  Exception Offset:	0000002f
  Exception Code:	c0000005
  Exception Data:	00000008
  OS Version:	6.1.7601.2.1.0.256.1
  Locale ID:	1033
  Additional Information 1:	0a9e
  Additional Information 2:	0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:	0a9e
  Additional Information 4:	0a9e372d3b4ad19135b953a78882e789

it happened twice, after I update OS, the {Fault Module Name} is back to {arma3.exe}, again

but few minutes latter, another crash with this information:

Problem signature:

  Problem Event Name:	APPCRASH
  Application Name:	arma3.exe
  Application Version:	0.5.102.571
  Application Timestamp:	512deb6a
  Fault Module Name:	tbb4malloc_bi.dll
  Fault Module Version:	4.0.0.0
  Fault Module Timestamp:	512ded76
  Exception Code:	c0000005
  Exception Offset:	0000397b
  OS Version:	6.1.7601.2.1.0.256.1
  Locale ID:	1033
  Additional Information 1:	0a9e
  Additional Information 2:	0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:	0a9e
  Additional Information 4:	0a9e372d3b4ad19135b953a78882e789

should I upload my new arma3 crash dump? because during this two hours, arma3 just crash again again and again...

DUMP and DxDiag uploaded, it only happen to ArmA3 and ArmA2(never happened after 1.60)
in the third time that was a { Fault Module Name: nvwgf2um.dll }
maybe it's related to my video card, I'm rolling my Graphics driver back to a early version now, and see what will happen...