game dosn't open

when i hit run game all that happens is it gives me anotherof these eroor messages,
Version: 1.4.16.0 Thread: RenderThread


Microsoft.Xna.Framework.NoSuitableGraphicsDeviceException: Could not find a Direct3D device that supports the requested features.
at Microsoft.Xna.Framework.GraphicsDeviceManager.FindBestPlatformDevice(Boolean anySuitableDevice)
at Microsoft.Xna.Framework.GraphicsDeviceManager.FindBestDevice(Boolean anySuitableDevice)
at Microsoft.Xna.Framework.GraphicsDeviceManager.ChangeDevice(Boolean forceCreate)
at Microsoft.Xna.Framework.GraphicsDeviceManager.ApplyChanges()
at Magicka.Game..ctor()
at Magicka.Game.get_Instance()
at Magicka.GlobalSettings..ctor()
at Magicka.GlobalSettings.get_Instance()
at Magicka.Program.Main(String[] args)


0x0051 Microsoft.Xna.Framework.Game.dll->Microsoft.Xna.Framework.GraphicsDeviceManager.FindBestPlatformDevice
0x0000 Microsoft.Xna.Framework.Game.dll->Microsoft.Xna.Framework.GraphicsDeviceManager.FindBestDevice
0x005f Microsoft.Xna.Framework.Game.dll->Microsoft.Xna.Framework.GraphicsDeviceManager.ChangeDevice
0x0018 Microsoft.Xna.Framework.Game.dll->Microsoft.Xna.Framework.GraphicsDeviceManager.ApplyChanges
0x01a2 Magicka.exe->Magicka.Game..ctor
0x0021 Magicka.exe->Magicka.Game.get_Instance
0x0089 Magicka.exe->Magicka.GlobalSettings..ctor
0x0021 Magicka.exe->Magicka.GlobalSettings.get_Instance
0x0171 Magicka.exe->Magicka.Program.Main