Call of Duty: Black OPS 4 game client freezes when invoking GeForce Experience in-game overlay using “Alt+Z.”

• Issue:

When in Windowless Fullscreen or Windowed mode, the game may freeze when user invokes GeForce Experience in-game overlay “Alt+Z”. User would need to quit and restart the game.

• Resolution:

NVIDIA has released an update to address this issue. Open up “Settings” in GeForce Experience and select “Enable Experimental Features.” You can also download the updated client here.