Unhandled Error in Silverlight Application Value does not fall within the expected range. at MS.Internal.XcpImports.CheckHResult(UInt32 hr)

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Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; WOW64; Trident/4.0; GTB6.6; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)
Timestamp: Tue, 7 Dec 2010 22:47:22 UTC

Message: Unhandled Error in Silverlight Application Value does not fall within the expected range.   at MS.Internal.XcpImports.CheckHResult(UInt32 hr)
   at MS.Internal.XcpImports.CaptureGraph_Start(CaptureSource Source)
   at System.Windows.Media.CaptureSource.Start()
   at SilverlightApplication2.MainPage.StartWebCam()
   at SilverlightApplication2.MainPage.button1_Click_1(Object sender, RoutedEventArgs e)
   at System.Windows.Controls.Primitives.ButtonBase.OnClick()
   at System.Windows.Controls.Button.OnClick()
   at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName)
Line: 1
Char: 1
Code: 0
URI: http://10.1.3.37/slvtest/

Message: Unhandled Error in Silverlight Application Value does not fall within the expected range.   at MS.Internal.XcpImports.CheckHResult(UInt32 hr)
   at MS.Internal.XcpImports.CaptureGraph_Start(CaptureSource Source)
   at System.Windows.Media.CaptureSource.Start()
   at SilverlightApplication2.MainPage.StartWebCam()
   at SilverlightApplication2.MainPage.button1_Click_1(Object sender, RoutedEventArgs e)
   at System.Windows.Controls.Primitives.ButtonBase.OnClick()
   at System.Windows.Controls.Button.OnClick()
   at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName)
Line: 1
Char: 1
Code: 0
URI: http://10.1.3.37/slvtest/