Here is a simple video guide on how to fix screen freezes in Warfare Online. This usually occurs when windows UAC is displayed while the game is running. Disabling UAC will resolve the issue.
The video below shows what a screen freeze looks like
Solution:
Disable User Account Control to fix screen freeze issue as shown in the video below
Step 1: On your computer, go to “Change User Account Control Settings”
Step 2: Drag the bar down to “Never notify” and click “Ok”
This should resolve your screen freeze issue!