Call of Duty 4: Modern Warfare Save Game Location
Windows
Call of Duty 4: Modern Warfare save games can be found here:
C:\Program Files\Activision\Call Of Duty 4 – Modern Warfare\players\profiles\
C:\Users\[user_name]\AppData\Local\VirtualStore\Program Files\Activision\Call of Duty 4 – Modern Warfare\players\profiles