When you try to run Call of Duty: Black Ops 3 climbs error «0xc000009a»
First thing to check for all drivers.
Make it better with the help of software Driver Restore. Software automatically checks all the necessary drivers and all updates itself.
Download: Driver Restore
If the drivers are installed go further.
The error occurs because of a conflict of drivers and Black Ops 3. To fix you need to update drivers or install a fix to optimize the game.
Installation: Install the patch-fix in a folder with Black Ops 3.
Download: Black Ops 3 patch Fix.v.1.0.01