I just bought ARMA 3 yesterday and I am really sad that it will not work. I have tried re installing it, Deleting arma.exe and checking integrity, and disabling mods but so far, nothing has worked. I can provide you with anything you need such as logs.
Specs:
Processor Type AMD A10-6700
Processor Speed 3.7 GHz
RAM 8 GB (1600 MHz DDR3)
Hard Drive Capacity 1 TB
Hard Drive Speed (Revolutions Per Minute) 7200 RPM
Pre-loaded Operating System Windows 8.1 64-Bit
Graphics Card AMD Radeon R7 Series / HD 9000 Series