diff --git a/Form1.cs b/Form1.cs
index 2c9b5be..2864109 100644
--- a/Form1.cs
+++ b/Form1.cs
@@ -24,7 +24,7 @@ public partial class Form1 : Form
         private Int16 ModeSlow = 5000;
         private Int16 ModeNormarl = 3000;
         private Int16 ModeFast = 1000;
-        private string VERSION = "v0.8.26";
+        private string VERSION = "v0.8.27";
         private string GITHUB = "https://github.com/Fhwang0926/CoreTracker";
 
         private bool mouseDown;
@@ -549,5 +549,6 @@ private bool toggleTraySetting()
 
 
 
+
 
 
diff --git a/Lib/Program.cs b/Lib/Program.cs
index 73521f0..060b026 100644
--- a/Lib/Program.cs
+++ b/Lib/Program.cs
@@ -1,12 +1,20 @@
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Security.Principal;
 using System.Windows.Forms;
 
 namespace CoreTracker
 {
     static class Program
     {
+        public static bool IsAdministrator()
+        {
+            WindowsIdentity identity = WindowsIdentity.GetCurrent();
+            WindowsPrincipal principal = new WindowsPrincipal(identity);
+            return principal.IsInRole(WindowsBuiltInRole.Administrator);
+        }
         /// <summary>
         /// 해당 애플리케이션의 주 진입점입니다.
         /// </summary>
@@ -15,6 +23,18 @@ static void Main(string[] args)
         {
             try
             {
+                if (!Program.IsAdministrator())
+                {
+                    // Restart and run as admin
+                    var exeName = Process.GetCurrentProcess().MainModule.FileName;
+                    ProcessStartInfo startInfo = new ProcessStartInfo(exeName);
+                    startInfo.Verb = "runas";
+                    startInfo.Arguments = "restart";
+                    Process.Start(startInfo);
+                    Application.Exit();
+                    return;
+                }
+                // real start
                 System.Threading.Mutex mutex = new System.Threading.Mutex(false, System.Diagnostics.Process.GetCurrentProcess().ProcessName);
                 try
                 {