Sys.InvalidOperationException：控件'Silverlight1'中的ImageError错误＃4001：AG_E_NETWORK_ERROR

I'm getting the following error every time my Silverlight application load and cannot figure out how to get around it. This error occurs right when the UserControl is loaded (but before the Source is bound). I've tried handling this error during the ImageFailed event, but it is not fired when this exception is thrown. What can I do?I'm getting the following error every time my S