diff --git a/install_newt-msp-site-win_v2.sh b/install_newt-msp-site-win_v2.sh
index 28de0df..abfd82d 100644
--- a/install_newt-msp-site-win_v2.sh
+++ b/install_newt-msp-site-win_v2.sh
@@ -1,70 +1,70 @@
+# TLS 1.2 erzwingen (Wichtig für GitHub/Downloads)
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
 $Repo = "fosrl/newt"
 $InstallDir = "C:\Program Files\me-msp-newt"
 $ServiceName = "MAIEREDV-Managed-Site-Client"
 $Symlink = "$InstallDir\newt_latest.exe"
 
-# 1. Latest Version holen
 function Get-LatestVersion {
-    $url = "https://api.github.com/repos/$Repo/releases/latest"
-    $json = Invoke-RestMethod -Uri $url
-    return $json.tag_name.TrimStart('v')
+    try {
+        $url = "https://api.github.com/repos/$Repo/releases/latest"
+        $json = Invoke-RestMethod -Uri $url -ErrorAction Stop
+        return $json.tag_name.TrimStart('v')
+    } catch {
+        Write-Error "Fehler beim Abrufen der Version: $_"
+        exit 1
+    }
 }
 
-# 2. Download & Symlink (Copy)
-function Install-Newt {
+function Download-Newt {
     param($Version)
     $Arch = if ([Environment]::Is64BitOperatingSystem) { "newt_windows_amd64.exe" } else { "newt_windows_386.exe" }
     $Url = "https://github.com/$Repo/releases/download/v$Version/$Arch"
     $Target = "$InstallDir\newt_$Version.exe"
 
-    if (!(Test-Path $InstallDir)) { New-Item -ItemType Directory -Path $InstallDir }
-
-    Write-Host "⬇️ Downloading $Url..." -ForegroundColor Cyan
-    Invoke-WebRequest -Uri $Url -OutFile "$Target"
-    
-    # "Symlink" unter Windows ist zickig, wir kopieren einfach zur 'latest'
-    Copy-Item -Path $Target -Destination $Symlink -Force
-    Write-Host "✅ Installed version $Version" -ForegroundColor Green
-}
-
-# 3. Dienst nativ erstellen
-function Setup-Service {
-    $PangolinID = Read-Host "ID"
-    $Secret = Read-Host "Secret" -AsSecureString
-    $Endpoint = Read-Host "Endpoint"
-    
-    $BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($Secret)
-    $PlainSecret = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)
-
-    $Args = "--id $PangolinID --secret $PlainSecret --endpoint $Endpoint"
-
-    # Prüfen ob Dienst existiert, sonst erstellen
-    if (Get-Service $ServiceName -ErrorAction SilentlyContinue) {
-        Stop-Service $ServiceName
-        $service = Get-CimInstance Win32_Service -Filter "Name='$ServiceName'"
-        $service.Change($null, $null, $null, $null, $null, "$Symlink $Args")
-    } else {
-        New-Service -Name $ServiceName `
-                    -BinaryPathName "$Symlink $Args" `
-                    -DisplayName "MAIEREDV Managed Site Client" `
-                    -StartupType Automatic
+    if (!(Test-Path $InstallDir)) { 
+        New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null 
+    }
+
+    Write-Host "⬇️ Downloading $Url ..." -ForegroundColor Cyan
+    try {
+        Invoke-WebRequest -Uri $Url -OutFile $Target -ErrorAction Stop
+        if (Test-Path $Target) {
+            Copy-Item -Path $Target -Destination $Symlink -Force
+            Write-Host "✅ Installiert: newt $Version" -ForegroundColor Green
+        }
+    } catch {
+        Write-Error "Download fehlgeschlagen: $_"
+        exit 1
     }
-    Start-Service $ServiceName
 }
 
-# 4. Update Task (statt systemd timer)
-function Setup-UpdateTask {
-    $TaskName = "Newt-Updater"
-    $Action = New-ScheduledTaskAction -Execute "PowerShell.exe" `
-        -Argument "-NoProfile -WindowStyle Hidden -Command ""& {Invoke-WebRequest -Uri 'DEINE_URL_ZUM_PS1' | PowerShell}"""
-    $Trigger = New-ScheduledTaskTrigger -Daily -At 3am
-    
-    Register-ScheduledTask -Action $Action -Trigger $Trigger -TaskName $TaskName -User "SYSTEM" -Force
-    Write-Host "✅ Daily update task created." -ForegroundColor Green
+function Setup-Service {
+    # Abfrage nur, wenn Dienst noch nicht existiert
+    if (!(Get-Service $ServiceName -ErrorAction SilentlyContinue)) {
+        $PangolinID = Read-Host "🆔 Pangolin ID"
+        $PangolinSecret = Read-Host "🔑 Secret"
+        $PangolinEndpoint = Read-Host "🌐 Endpoint (z.B. https://...)"
+
+        $ArgList = "--id $PangolinID --secret $PangolinSecret --endpoint $PangolinEndpoint"
+        
+        # Nativer Windows Dienst (PowerShell Wrapper um Timeouts zu vermeiden)
+        New-Service -Name $ServiceName `
+                    -BinaryPathName "powershell.exe -WindowStyle Hidden -Command & '$Symlink' $ArgList" `
+                    -DisplayName "MAIEREDV Managed Site Client" `
+                    -Description "Managed Newt Client by MAIEREDV" `
+                    -StartupType Automatic
+        
+        Start-Service $ServiceName
+        Write-Host "🛠️ Dienst $ServiceName wurde erstellt und gestartet." -ForegroundColor Green
+    } else {
+        Restart-Service $ServiceName
+        Write-Host "🔄 Dienst neu gestartet." -ForegroundColor Yellow
+    }
 }
 
-# Main Logic (vereinfacht)
+# Haupt-Logik (Beispiel für --install)
 $Latest = Get-LatestVersion
-Install-Newt $Latest
-Setup-Service
-Setup-UpdateTask
\ No newline at end of file
+Download-Newt $Latest
+Setup-Service
\ No newline at end of file