Thread is running or terminated; it cannot restart.
   at System.Threading.Thread.StartupSetApartmentStateInternal()
   at System.Threading.Thread.Start(StackCrawlMark& stackMark)
   at System.Threading.Thread.Start()
   at ZombieBlocks.NetworkedGameplayScreen.Activate(Boolean instancePreserved)
   at GameStateManagement.ScreenManager.LoadContent()
   at Microsoft.Xna.Framework.DrawableGameComponent.DeviceCreated(Object sender, EventArgs e)
   at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
   at Microsoft.Xna.Framework.GraphicsDeviceManager.OnDeviceCreated(Object sender, EventArgs args)
   at Microsoft.Xna.Framework.GraphicsDeviceManager.CreateDevice(GraphicsDeviceInformation newInfo)
   at Microsoft.Xna.Framework.GraphicsDeviceManager.ChangeDevice(Boolean forceCreate)
   at Microsoft.Xna.Framework.GraphicsDeviceManager.EnsureDevicePlatform()
   at Microsoft.Xna.Framework.GraphicsDeviceManager.Microsoft.Xna.Framework.IGraphicsDeviceManager.BeginDraw()
   at Microsoft.Xna.Framework.Game.BeginDraw()
   at Microsoft.Xna.Framework.Game.DrawFrame()
   at Microsoft.Xna.Framework.Game.Tick()
   at Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   at Microsoft.Xna.Framework.GameHost.OnIdle()
   at Microsoft.Xna.Framework.WindowsGameHost.RunOneFrame()
   at Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.Run(Form mainForm)
   at Microsoft.Xna.Framework.WindowsGameHost.Run()
   at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
   at ZombieBlocks.Program.Main(String[] args)