WCF-Sample Service not running

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WCF

Hi ,

I am very new to WCF.And I have created a sample WCF service(Created a console Application,Added ServiceModel.dll,Implemented ServiceContracts,OperationContracts).When I am running the application,I am getting the following exception.

[System.ServiceModel.AddressAccessDeniedException] {"HTTP could not register URL http://+:8888/Microsoft.ServiceModel.Samples/CalculatorService/. Your process does not have access rights to this namespace (see http://go.microsoft.com/fwlink/?LinkId=70353 for details)."} System.ServiceModel.AddressAccessDeniedException.

The following is the peice of code in Main()

ServiceHost selfHost = null;
Uri baseAddress = new Uri(http://localhost:8888/Microsoft.ServiceModel.Samples/CalculatorService);
selfHost= new ServiceHost(typeof(CalculatorService), baseAddress);
                selfHost.AddServiceEndpoint(typeof(ICalculator),new WSHttpBinding(),CalculatorService);
ServiceMetadataBehavior smb = new ServiceMetadataBehavior();
smb.HttpGetEnabled = true;
selfHost.Description.Behaviors.Add(smb);
selfHost.Open();
Console.WriteLine("The service is ready");
Console.ReadKey();

I am running it on XP OS.
Can any one please tell me how can I execute the service.

Thanks,
Srikrishna