failed to create file? (trying to create a launcher.) Failed To create File.

Ok so i've been trying to create my own game launcher, shouldn't be that hard :) www download and save a folder from my webserver and save it to the folder that my launcher is in then Launch the game. this is the error print I am getting can anyone tell me whats wrong? )

MyLogFile:

Begin MonoManager ReloadAssembly - Completed reload, in 0.992 seconds Initializing input.

Input initialized.

Initialized touch support.

UnloadTime: 0.712412 ms ArgumentException: Failed to create file C:/Users/zak/Desktop/DarkDivide/Launcher/Launcher_Data at (wrapper managed-to-native) UnityEngine.Networking.DownloadHandlerFile.Create(UnityEngine.Networking.DownloadHandlerFile,string,bool) at UnityEngine.Networking.DownloadHandlerFile.InternalCreateVFS (System.String path, System.Boolean append) [0x0001e] in C:\buildslave\unity\build\Modules\UnityWebRequest\Public\DownloadHandler\DownloadHandler.bindings.cs:232 at UnityEngine.Networking.DownloadHandlerFile..ctor (System.String path) [0x0000a] in C:\buildslave\unity\build\Modules\UnityWebRequest\Public\DownloadHandler\DownloadHandler.bindings.cs:237 at DonloadGameUpdate+d__10.MoveNext () [0x00036] in C:\Users\zak\Documents\Galactic-Divide-MMO\Assets\Scripts\DonloadGameUpdate.cs:79 at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00027] in :0 UnityEngine.MonoBehaviour:StartCoroutineManaged2(IEnumerator) UnityEngine.MonoBehaviour:StartCoroutine(IEnumerator) DonloadGameUpdate:Start() (at C:\Users\zak\Documents\Galactic-Divide-MMO\Assets\Scripts\DonloadGameUpdate.cs:23)

(Filename: Line: 0)

Setting up 2 worker threads for Enlighten. Thread -> id: 37ec -> priority: 1 Thread -> id: 3c84 -> priority: 1

MY CS Script:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
 using System.Diagnostics;
 using System.IO;
 using UnityEngine.Networking;
 public class DonloadGameUpdate : MonoBehaviour
 {
 
     float Download;
     float DownloadMAx = 100;
     public Image DownloadBarPercent;
     public string GameToLoadEXEPath;
     public bool UpdateDownloaded;
     public string GameURLDownload;
 
     public void Start()
     {
         GameToLoadEXEPath = Application.dataPath; /// where my game has been installed....
         DownloadingUpdateYay();
         Main();  // Delete Old Game Folder.....
         StartCoroutine(DownloadingUpdateYay());
 
     }
 
 
 
 
 
     public static void Main()
     {
             var hi = Directory.GetFiles(Application.dataPath + "/Build");
 
             for (int i = 0; i < hi.Length; i++)
             {
                 File.Delete(hi[i]);
             }
 
     }
 
 
 
 
 
 
 
     // Update is called once per frame
     void Update()
     {
         DownloadBarPercent.fillAmount = Download / DownloadMAx;
     }
 
 
 
     private IEnumerator DownloadingUpdateYay()
     {
         yield return DownloadNewVersion();
 
         if (!UpdateDownloaded)
         {
             print("Downloaing....");
         }
         else
         {
             Process mProcess = new Process();
             mProcess.StartInfo.FileName = GameToLoadEXEPath + "/Build.exe";  // Path to load here....
             mProcess.Start();
             Application.Quit();
         }
     }
 
 
     // downlaod New Version of Game ;).........
 
     private IEnumerator DownloadNewVersion()
     {
         var uwr = new UnityWebRequest(GameURLDownload);
         uwr.downloadHandler = new DownloadHandlerFile(GameToLoadEXEPath);
         yield return uwr.SendWebRequest();
         if (uwr.isNetworkError || uwr.isHttpError)
             print("Error downloading your Game....");
         else
             print("GAME DOWNLOWNED....");
 
     }
 
 }