Добавьте файлы проекта.

Program.cs

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+using Process_Auto_Relaunch;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using RelaunchProcess.Properties;
+
+namespace RelaunchProcess
+{
+    internal static class Program
+    {
+        /// <summary>
+        /// Ãëàâíàÿ òî÷êà âõîäà äëÿ ïðèëîæåíèÿ.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new Form1());
+        }
+    }
+}