Thank you for the sharing.
Update your graphics driver manually by visiting your graphic manufacturer's website.
Check your memory
- Click the Start button, type memory and click Run as administrator to start Windows Memory Diagnostic with full privileges.
- Now, click on the first option. Restart now and check for problems.
- After the restart, the system will run a diagnostic on your RAM modules and find any possible problems. Unfortunately, you must replace the damaged module(s) if it does.
Run System file checker
- Open the Start menu and search for "Command Prompt" or "CMD."Right-click on it and select "Run as admin.
- Type each command below and wait until the scan is completed.
SFC /scannow
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Change game Priority
- Press Ctrl + Shift + Esc to open Task Manager, then go to the Details tab.
- Locate Call of Duty: Modern Warfare.exe and right-click it.
- Select Priority > High.
- When prompted for permission to make changes, select Change Priority.
Keep me posted, Thank you.