Head over to the Games tab. Scroll down to COD Modern Warfare II and highlight it. Press the Options button on your controller. Finally, choose to Check for Update from the drop-down menu. 5. Power Cycle your PS4/PS5. Sometimes, any system glitch or cache issue can cause errors, crashes, lags, screen flickering, etc. cod mw in 2021 on ps4 pro play with controler.M4a1,m1911. cod mw in 2021 on ps4 pro play with controler.M4a1,m1911. ijACeS.