求助！怎么弄都弄不好！

money_幸福

Version: 1.4.0.3
Thread: LogicThread
System.Exception: 引发类型为“System.Exception”的异常。
   在 Magicka.Network.NetworkServer..ctor(GameType iGameType, Boolean iVAC)
   在 Magicka.Network.NetworkManager.StartHost()
   在 Magicka.GameLogic.GameStates.Menu.Main.SubMenuOnline.OnChallengeSelect(Controller iSender, GameType iGameType, Int32 iLevel, Boolean iCustom)
   在 Magicka.GameLogic.UI.LevelMessageBox.OnSelect(Controller iSender)
   在 Magicka.GameLogic.UI.LevelMessageBox.OnMouseClick(MouseState iNewState, MouseState iOldState)
   在 Magicka.GameLogic.Controls.KeyboardMouseController.Update(DataChannel iDataChannel, Single iDeltaTime)
   在 Magicka.GameLogic.Controls.ControlManager.HandleInput(DataChannel iDataChannel, Single iDeltaTime)
   在 Magicka.GameLogic.GameStates.GameState.Update(DataChannel iDataChannel, Single iDeltaTime)
   在 Magicka.GameLogic.GameStates.MenuState.Update(DataChannel iDataChannel, Single iDeltaTime)
   在 Magicka.GameLogic.GameStates.GameStateManager.Update(DataChannel iDataChannel, Single iDeltaTime)
   在 Magicka.Game.Update(Single iDeltaTime)
   在 Magicka.Game.ThreadedUpdate()
   在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   在 System.Threading.ThreadHelper.ThreadStart()

同学的。就是游戏开始开了那本书书里面的内容是花屏的。