Pandurang,

I'm using AppVerifier 3.0.0026 which is the version currently available in
the Microsoft Download Center.  It is lists Windows XP and Windows Server
2003 as supported platforms.  I'm running my test on Windows XP SP2.

As far as sample code goes I created a C# ASP.Net web service and a C#
Windows Application in Visual Studio.Net 2003.  In the web service's
Service1.asmx file I uncommented the sample HelloWorld function so the
service1.asmx looks like this:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Web.Services;

namespace WebService2
{
 /// <summary>
 /// Summary description for Service1.
 /// </summary>
 public class Service1 : System.Web.Services.WebService
 {
  public Service1()
  {
   //CODEGEN: This call is required by the ASP.NET Web Services Designer
   InitializeComponent();
  }

  #region Component Designer generated code

  //Required by the Web Services Designer
  private IContainer components = null;

  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
  }

  /// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if(disposing && components != null)
   {
    components.Dispose();
   }
   base.Dispose(disposing);
  }

  #endregion

  // WEB SERVICE EXAMPLE
  // The HelloWorld() example service returns the string Hello World
  // To build, uncomment the following lines then save and build the
project
  // To test this web service, press F5

  [WebMethod]
  public string HelloWorld()
  {
   return "Hello World";
  }
 }
}

The Windows application I just added the web reference and added a button to
the form named buttonTest with the following code:
 private void buttonTest_Click(object sender, System.EventArgs e)
 {
  Service1.Service1 test = new Service1.Service1();
  MessageBox.Show(test.HelloWorld());
 }

Running the test app in WinDbg hits the invalid handle exception before the
message box is displayed.

I've tried this test in Visual Studio 2005 and it works there without any
AppVerifier errors or warnings but moving the actual application will
require significant effort so I don't want to jump to that solution yet.

   Kevin