Visual Basic 2010 Anderer Updater?

Imports System.Net
 
Public Class Form1
    Public Function PROBLEM()
 
        Dim Pfad As String
        SaveFileDialog1.ShowDialog()
        Pfad = SaveFileDialog1.FileName
 
        My.Computer.Network.DownloadFile("Datei zum Downloaden Update.txt", Pfad)
        Dim Inhalt As String
        Inhalt = My.Computer.FileSystem.ReadAllText(Pfad)
 
 
 
 
    End Function
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
 
        PROBLEM()
 
 
 
    End Sub

'Check for Updates
Dim Lesen as String
        Dim request As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create("http://DeinServer/version.txt")
        Dim response As System.Net.HttpWebResponse = request.GetResponse()
 
        Dim sr As System.IO.StreamReader = New System.IO.StreamReader(response.GetResponseStream())
 
        Dim newestversion As String = sr.ReadToEnd()
        Dim currentversion As String = Application.ProductVersion
        If newestversion.Contains(currentversion) Then 'Falls die version im server mit der Productversion übereinstimmt, dann soll der fortfahren
 
 
 
        Else
           My.Computer.Network.DownloadFile("http://deinserver/update.txt", "C:\Update.txt")
My.Computer.FileSystem.ReadAllText("C:\Update.txt")
        End If