Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Principal;
using System.Windows.Forms;

namespace handsoff
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            if (!IsAdministrator())
            {
                MessageBox.Show(Application.ProductName + " requires elevated privileges to work properly.\nPlease run it as administrator.", "Elevated privileges required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                Environment.Exit(0);
            }

            LeanDeploy.BeforeUninstall += App.OnUninstall;
            LeanDeploy.ProcessesKilled += App.OnProcessesKilled;
            LeanDeploy.Check();

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new App());
        }

        public static bool IsAdministrator()
        {
            WindowsIdentity identity = WindowsIdentity.GetCurrent();
            WindowsPrincipal principal = new WindowsPrincipal(identity);
            return principal.IsInRole(WindowsBuiltInRole.Administrator);
        }
    }
}