GLcontrol error (resolved)

Could not create OpenGL render context (Wgl.CreateContext() return 0). 
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at OpenTK.Platform.Windows.WinGLContext.CreateContext(Boolean direct, IGLContext source) in F:\DownProgram\3D\opentk\Source\OpenTK\Platform\Windows\WinGLContext.cs:line 83
at OpenTK.GLContext.CreateContext(Boolean direct, IGLContext source) in F:\DownProgram\3D\opentk\Source\OpenTK\GLContext.cs:line 144
at OpenTK.GLControl.CreateContext() in F:\DownProgram\3D\opentk\Source\OpenTK\GLControl.cs:line 206
at OpenTK.GLControl.OnHandleCreated(EventArgs e) in F:\DownProgram\3D\opentk\Source\OpenTK\GLControl.cs:line 63
at System.Windows.Forms.Control.WmCreate(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.UserControl.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Forms.UnsafeNativeMethods.IntCreateWindowEx(Int32 dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32 x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef hMenu, HandleRef hInst, Object pvParam)
at System.Windows.Forms.UnsafeNativeMethods.CreateWindowEx(Int32 dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32 x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef hMenu, HandleRef hInst, Object pvParam)
at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp)
at System.Windows.Forms.Control.CreateHandle()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at OpenTK.GLControl..ctor(DisplayMode mode) in F:\DownProgram\3D\opentk\Source\OpenTK\GLControl.cs:line 53
at OpenTK.GLControl..ctor() in F:\DownProgram\3D\opentk\Source\OpenTK\GLControl.cs:line 33