Looked all over online, and SpotREp0000012 was suppose to fix it....it did not. I can play for a limited number of time and it crashes. Have not been able to play a MP all the way through yet. Its very frustrating. Below is report as well as computer specs

Faulting application name: arma3.exe, version: 1.4.111.745, time stamp: 0x52730252
Faulting module name: PhysX3_x86.dll, version: 3.2.4.1, time stamp: 0x5164246f
Exception code: 0xc0000005
Fault offset: 0x001521cb
Faulting process id: 0xb98c
Faulting application start time: 0x01ced8182d675eca
Faulting application path: C:\Program Files (x86)\Steam\steamapps\common\Arma 3\arma3.exe
Faulting module path: C:\Program Files (x86)\Steam\steamapps\common\Arma 3\PhysX3_x86.dll
Report Id: 87a9d02c-4417-11e3-be7f-240a64b6df59
Faulting package full name:
Faulting package-relative application ID:

SPECS
GE70 2OE-017US
• Windows 8
• Intel® Core™ i7-4700MQ Processor
• NVIDIA® GeForce® GTX 765M 2G GDDR5
• 12GB DDR3L 1600MHz System Memor