Recent ssd install, windows upgrade from 8.1 to win 10. cod 4 installed successfully up to 1.6.Attempting to patch to 1.7, pc bluescreen, restarts pc and wireless net adapted must be restarted.Error irlq wincon/stopcode, not less or equal displayed prior to restart.Cod4 play with limited servers up to patch 1.6. Need help in game to work.