error code c0000005?

[D Swag]

i get this error whenever i try to start gta 5 or subnautica, but no other games?
things i tried:
1. updating graphics driver (didn't work)
2. restarting computer (didn't work, except subnautica starts only if i launch it right after i restart my PC)
3. reinstalling game (didn't work)

any and all help is greatly appreciated!!!

PC Specs:
Mobo: ASUS P6T SE
CPU: Intel Core i7 920@3.2Ghz
RAM: 6x2GB triple channel @1600Mhz
GPU: Gigabyte GTX 1060 6GB Xtreme Gaming
Storage: Main-Seagate Barracuda 2TB 7200RPM, secondary-Toshiba 1TB 7200RPM