diff --git a/install_newt-msp-site-win_v2.ps1 b/install_newt-msp-site-win_v2.ps1
index af0f7c3..fa02086 100644
--- a/install_newt-msp-site-win_v2.ps1
+++ b/install_newt-msp-site-win_v2.ps1
@@ -1,7 +1,6 @@
 <#
 .SYNOPSIS
-    Windows-Installer für den Newt-Client (MAIEREDV).
-    v2.6 - Fix für Parser-Error (Variable Drive Reference) & Encoding.
+    v2.7 - Brutal-Rename-Strategy & Immediate Kill.
 #>
 param([string]$mode = "install")
 
@@ -13,7 +12,6 @@ $InstallDir = "C:\Program Files\me-msp-newt"
 $ServiceName = "MAIEREDV-Managed-Site-Client"
 $Symlink = "$InstallDir\newt_latest.exe"
 $LogFile = "$InstallDir\newt_service.log"
-$UpdaterTaskName = "MAIEREDV-Newt-Updater"
 $GiteaUrl = "https://me-gitea.maieredv.cloud/manuel.maier/update-install-newt/raw/branch/main/install_newt-msp-site-win_v2.ps1"
 
 function Write-Log($msg, $color = "White") { 
@@ -27,50 +25,55 @@ function Download-Newt {
     $Url = "https://github.com/${Repo}/releases/download/${VersionOnly}/newt_${ArchSuffix}"
     $Target = "${InstallDir}\newt_${VersionOnly}.exe"
 
-    if (!(Test-Path $InstallDir)) { New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null }
+    if (!(Test-Path $InstallDir)) { New-Item $InstallDir -ItemType Directory -Force | Out-Null }
     
     if (!(Test-Path $Target)) {
         Write-Log "Download $VersionOnly..." "Cyan"
-        try { Start-BitsTransfer -Source $Url -Destination $Target -Priority Foreground -ErrorAction Stop }
-        catch { Invoke-WebRequest -Uri $Url -OutFile $Target -UseBasicParsing }
+        try { Start-BitsTransfer $Url $Target -Priority Foreground -ErrorAction Stop }
+        catch { Invoke-WebRequest $Url -OutFile $Target -UseBasicParsing }
     }
 
-    Write-Log "Vorbereitung Datei-Update..." "Yellow"
+    Write-Log "Erzwinge Dateizugriff..." "Yellow"
     
+    # 1. Dienst sofort hart auf Eis legen
     if (Get-Service $ServiceName -ErrorAction SilentlyContinue) {
         Set-Service $ServiceName -StartupType Disabled
         Stop-Service $ServiceName -Force -ErrorAction SilentlyContinue
     }
 
-    # Prozess-Kill ohne Doppelpunkt-Variablen-Falle
-    for ($i = 1; $i -le 5; $i++) {
-        $Procs = Get-Process -Name "newt*" -ErrorAction SilentlyContinue
-        if ($Procs) {
-            $pCount = $Procs.Count
-            Write-Log "Versuch $i - Kill hängende Prozesse ($pCount)..." "Red"
-            taskkill.exe /F /T /IM "newt*" 2>$null
-            Start-Sleep -Seconds 3
-        } else {
-            break
+    # 2. Sofort-Kill ohne langes Warten
+    Write-Log "Sende Taskkill..." "Red"
+    taskkill.exe /F /T /IM "newt*" 2>$null
+    Start-Sleep -Seconds 2
+
+    # 3. DER RENAME-TRICK (Die Brechstange)
+    # Wir versuchen nicht zu loeschen, wir schieben die Leiche einfach zur Seite
+    if (Test-Path $Symlink) {
+        $DeadFile = "$Symlink.zombie_" + (Get-Date -Format "yyyyMMdd_HHmmss")
+        try {
+            # Move-Item auf derselben Partition klappt oft trotz Lock!
+            Move-Item -Path $Symlink -Destination $DeadFile -Force -ErrorAction Stop
+            Write-Log "Pfad freigemacht (Zombie verschoben)." "Green"
+        } catch {
+            Write-Log "Dateisperre extrem hartnaeckig. Versuche drueberzukopieren..." "Yellow"
         }
     }
 
+    # 4. Neue Datei platzieren
     try {
-        if (Test-Path $Symlink) {
-            $TempName = "$Symlink.dead_" + (Get-Date -Format "yyyyMMdd_HHmmss")
-            Move-Item -Path $Symlink -Destination $TempName -Force -ErrorAction Stop
-            Write-Log "Alte Datei verschoben." "Green"
-        }
-        Copy-Item -Path $Target -Destination $Symlink -Force
-        Write-Log "Update erfolgreich." "Green"
+        Copy-Item -Path $Target -Destination $Symlink -Force -ErrorAction Stop
+        Write-Log "Update erfolgreich eingespielt." "Green"
     } catch {
-        Write-Log "Dateisperre konnte nicht gelöst werden." "Red"
+        Write-Log "KRITISCH: Update fehlgeschlagen. Datei wird vom Kernel blockiert." "Red"
+        Write-Log "Bitte den Server bei Gelegenheit neu starten." "Yellow"
     }
 
+    # Dienst wieder reaktivieren
     Set-Service $ServiceName -StartupType Automatic
     Start-Service $ServiceName -ErrorAction SilentlyContinue
 }
 
+# --- Restliche Funktionen (Setup-Service, Setup-Task etc.) ---
 function Setup-Service {
     if (!(Get-Service $ServiceName -ErrorAction SilentlyContinue)) {
         Write-Log "Setup Dienst..." "Yellow"
@@ -90,10 +93,10 @@ function Setup-Task {
     $Action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -ExecutionPolicy Bypass -Command `"$IexCmd`""
     $Trigger = New-ScheduledTaskTrigger -Daily -At 3am
     $Principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount -RunLevel Highest
-    Register-ScheduledTask -Action $Action -Trigger $Trigger -Principal $Principal -TaskName $UpdaterTaskName -Force | Out-Null
+    Register-ScheduledTask -Action $Action -Trigger $Trigger -Principal $Principal -TaskName "MAIEREDV-Newt-Updater" -Force | Out-Null
 }
 
-# --- Main Logic ---
+# --- Main ---
 if (!(Get-Command nssm -ErrorAction SilentlyContinue)) {
     if (!(Get-Command winget -ErrorAction SilentlyContinue)) { try { irm winget.pro | iex } catch {} }
     winget install nssm --silent --accept-package-agreements --accept-source-agreements | Out-Null
@@ -122,5 +125,5 @@ elseif ($mode -eq "uninstall") {
         Stop-Service $ServiceName -Force -ErrorAction SilentlyContinue
         & nssm remove $ServiceName confirm
     }
-    Unregister-ScheduledTask -TaskName $UpdaterTaskName -Confirm:$false -ErrorAction SilentlyContinue
+    Unregister-ScheduledTask "MAIEREDV-Newt-Updater" -Confirm:$false -ErrorAction SilentlyContinue
 }
\ No newline at end of file