Copy Steam.dll and Steam2.dll. 4. Open your COD2 folder, C:\Steam\steamapps\common\Call of Duty 2. 5. Paste the copied files into the COD2 folder. 6. Right-click CoD2MP_s.exe, select Properties, select the Compatibility tab and select "Run this program in compatabilty mode for: Windows XP Service Pack 3". (You may also run this as administrator Find the line that says "seta r_fullscreen" and change the value from 1 to 0. This should set the game to start in a window. - launch game as admin but not in cod-"fallback-mode" ("gesicherter modus" in german) - when game screen goes black press ESC and click mouse several times - works :-) - if it still doesnt work: - try: - plugin a headset 3. Now that your in the Call of Duty 2 directory, right click your Cod2MP_s.exe and go to compatability tab. 4. Change the compatability to Windows Vista SP 2 and check the box at the bottom that says " run as administrator". 5. Restart Steam and Try to play Cod2 Multiplayer. Also give me feedback of exactly what goes on when you try to play Call of Duty: Modern Warfare II GeForce Game Ready Driver Released. Call of Duty®: Modern Warfare® II drops players into an unprecedented global conflict that features the return of the iconic Operators of Task Force 141, and boasts a massive multiplayer mode filled with content for FPS fans. Download and install our new Game Ready Driver for Alternatively you can change them in game per player. Not all changes will be made until the next launch of the game. Use horizontal split for 2 players, vertical works but the aspect ratio is wrong (stretched). There are two ways to start a game: SyZMJ.