How Grownups Debug Windows Service Startups

using System.ServiceProcess;

namespace MyService {

  public partial class  MyService : ServiceBase {

     public MyService() {
        InitializeComponent();
     }

     protected override void OnStart(string[] args) {

       //This will launch a debugger
       System.Diagnostics.Debugger.Launch();

       //Do the  real job
       MyWorker.Start();
     }
  }
}