The game freezes and crash after playing for a little.

Specs: i5 2500K
8gb Ram
R9 270X
Windows 10 Pro 64bits

Driver: 16.6 Crimson (Driver Packaging Version
20.19.0.32832 (Built from 16.30-160624a-303996E))

Edit: idk what i did but crashes stopped.
And now the game is dropping my internet connection every 20~30 minutes really annoying.