diff --git a/Crutch/Crutch/Program.cs b/Crutch/Crutch/Program.cs
index 899f5a0..bde0fb3 100644
--- a/Crutch/Crutch/Program.cs
+++ b/Crutch/Crutch/Program.cs
@@ -1,15 +1,90 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Diagnostics;
+using System.IO;
+using System.Threading;
 
 namespace Crutch
 {
     class Program
     {
+        private static string _sourcePath;
+        private static string _destinationPath;
+        private static string _exePath;
+        private static int _delay;
+
         static void Main(string[] args)
         {
+            try
+            {
+                if (!Directory.Exists("logs"))
+                {
+                    Directory.CreateDirectory("logs");
+                }
+
+                if (args.Length == 4)
+                {
+                    _sourcePath = args[0];
+                    _destinationPath = args[1];
+                    _exePath = args[2];
+                    if (int.TryParse(args[3], out _delay))
+                    {
+                        Thread.Sleep(_delay);
+                        if (File.Exists(_sourcePath))
+                        {
+                            File.Copy(_sourcePath, _destinationPath, true);
+
+                            RunAsAdmin(_exePath);
+                        }
+                        else
+                        {
+                            throw new FileNotFoundException("Source file not found: " + _sourcePath);
+                        }
+                    }
+                    else
+                    {
+                        throw new ArgumentException("Argument #4 must be numeric - it's a delay");
+                    }
+                }
+                else
+                {
+                    throw new ArgumentException("Incorrect number of parameters");
+                }
+            }
+            catch (Exception ex)
+            {
+                var msg = ex.Message;
+                LogError(ref msg);
+                Console.ReadLine();
+            }
+        }
+
+        private static void LogError(ref string message)
+        {
+            var dt = DateTime.Now;
+            var sw = new StreamWriter("logs/" + dt.ToShortDateString() + ".txt", true) { AutoFlush = true };
+            message = DateTime.Now + "  -  " + message;
+            Console.WriteLine(message);
+            sw.WriteLine(message);
+        }
+
+        private static void RunAsAdmin(string aFileName, string anArguments = null)
+        {
+            var processInfo = new ProcessStartInfo
+            {
+                FileName = aFileName,
+                UseShellExecute = true,
+                Verb = "runas"
+            };
+
+            if (anArguments != null)
+                processInfo.Arguments = anArguments;
+
+            var process = new Process
+            {
+                StartInfo = processInfo
+            };
+            process.Start();
+            process.WaitForExit();
         }
     }
 }