Some overlays (like Discord Overlay, Steam Overlay) can cause issues. Try disabling them.
If the file is missing and not in quarantine, your game launcher can automatically replace it. Right-click Far Cry 4 > Properties Installed Files Verify integrity of game files Ubisoft Connect: > Select Far Cry 4 > Properties Verify files 3. Update or Reinstall Ubisoft Connect the procedure entry point uplayusergetnameutf8 far cry 4