cod 4 so slow HELP

Modern Warfare Forum

Hello, I m call of duty 4 fan and i have a problem...singleplayer works fine but when i switch to multiplayer it opens ONLY in a small window which can not change from game properties. Also the mouse and general the game runs so slow and it is imposible to play or do anything else...I just cant find what it is pls help 

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Registered: ‎14-01-2019