diff --git a/install-update-zabbix-agent.ps1 b/install-update-zabbix-agent.ps1
index 248c08c..83c8c56 100644
--- a/install-update-zabbix-agent.ps1
+++ b/install-update-zabbix-agent.ps1
@@ -1,6 +1,6 @@
 #Requires -RunAsAdministrator
 # =============================================================================
-# Zabbix Agent 2 – Windows Installer / Updater (Version 7.4)
+# Zabbix Agent 2 - Windows Installer / Updater
 #
 # Aufruf: 
 #   PowerShell -ExecutionPolicy Bypass -File install-update-zabbix-agent.ps1
@@ -8,40 +8,52 @@
 # Interaktiv: Proxy-Auswahl, Hostname-Eingabe, automatische Install/Update-Erkennung
 # =============================================================================
 
-# ── Konfiguration (manuell anpassen) ─────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Konfiguration (manuell anpassen)
+# --------------------------------------------------------------------------
 
+<<<<<<< Updated upstream
 $ZabbixServer  = "zabbix.server-nb.de"     # Zabbix-Server-Adresse
 $ZabbixVersion = "7.4.7"                  # Zabbix-Version (bei neuen Releases anpassen)
+=======
+$ScriptVersion = "1.2"                   # Skript-Version
+>>>>>>> Stashed changes
 
-# Proxy-Liste – hier manuell pflegen (Name und URL)
+$ZabbixServer  = "zabbix.server-nb.de"   # Zabbix-Server-Adresse
+$ZabbixVersion = "7.4.7"                 # Zabbix Agent-Version (bei neuen Releases anpassen)
+
+# Proxy-Liste - hier manuell pflegen (Name und URL)
 $ProxyList = @(
-    @{ Name = "Standort Büro A";   Url = "http://proxy01.example.com:3128" }
-    @{ Name = "Standort Büro B";   Url = "http://proxy02.example.com:3128" }
+    @{ Name = "Standort Buero A";  Url = "http://proxy01.example.com:3128" }
+    @{ Name = "Standort Buero B";  Url = "http://proxy02.example.com:3128" }
     # weitere Proxys einfach hier eintragen:
     # @{ Name = "Rechenzentrum";   Url = "http://proxy03.example.com:3128" }
 )
 
-# Installationspfade (normalerweise nicht ändern nötig)
-$InstallDir  = "C:\Program Files\Zabbix Agent 2"
-$ConfigFile  = "$InstallDir\zabbix_agent2.conf"
+# Installationspfade (normalerweise nicht aendern noetig)
 $ServiceName = "Zabbix Agent 2"
 $TempDir     = $env:TEMP
 
-# ── Hilfsfunktionen ───────────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Hilfsfunktionen
+# --------------------------------------------------------------------------
 
-function Write-Info  { param($msg) Write-Host "[INFO]  $msg" -ForegroundColor Green }
-function Write-Warn  { param($msg) Write-Host "[WARN]  $msg" -ForegroundColor Yellow }
-function Write-Err   { param($msg) Write-Host "[ERROR] $msg" -ForegroundColor Red }
+function Write-Info { param($msg) Write-Host "[INFO]  $msg" -ForegroundColor Green }
+function Write-Warn { param($msg) Write-Host "[WARN]  $msg" -ForegroundColor Yellow }
+function Write-Err  { param($msg) Write-Host "[ERROR] $msg" -ForegroundColor Red }
 
 function Show-Header {
     Write-Host ""
     Write-Host "=============================================" -ForegroundColor Cyan
-    Write-Host "  Zabbix Agent 2 $ZabbixVersion – Windows Setup" -ForegroundColor Cyan
+    Write-Host "  Zabbix Agent 2 $ZabbixVersion - Windows Setup" -ForegroundColor Cyan
+    Write-Host "  Skript-Version: $ScriptVersion" -ForegroundColor Cyan
     Write-Host "=============================================" -ForegroundColor Cyan
     Write-Host ""
 }
 
-# ── Installierte Version prüfen ───────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Installierte Version pruefen
+# --------------------------------------------------------------------------
 
 function Get-InstalledVersion {
     $reg = Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*" `
@@ -52,13 +64,15 @@ function Get-InstalledVersion {
     return $null
 }
 
-# ── Proxy-Auswahl ─────────────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Proxy-Auswahl
+# --------------------------------------------------------------------------
 
 function Select-Proxy {
     Write-Host "Proxy-Einstellungen:" -ForegroundColor Cyan
     Write-Host "  [0] Kein Proxy (direkte Verbindung)"
     for ($i = 0; $i -lt $ProxyList.Count; $i++) {
-        Write-Host "  [$($i+1)] $($ProxyList[$i].Name)  –  $($ProxyList[$i].Url)"
+        Write-Host "  [$($i+1)] $($ProxyList[$i].Name)  -  $($ProxyList[$i].Url)"
     }
     Write-Host ""
 
@@ -68,12 +82,15 @@ function Select-Proxy {
 
     if ($choice -eq "0") {
         return $null
-    } else {
+    }
+    else {
         return $ProxyList[[int]$choice - 1].Url
     }
 }
 
-# ── Download ──────────────────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Download
+# --------------------------------------------------------------------------
 
 function Get-ZabbixMsi {
     param(
@@ -93,22 +110,29 @@ function Get-ZabbixMsi {
             $proxy = New-Object System.Net.WebProxy($ProxyUrl, $true)
             $proxy.Credentials = [System.Net.CredentialCache]::DefaultNetworkCredentials
             $webClient.Proxy = $proxy
-        } else {
+        }
+        else {
             $webClient.Proxy = $null
             Write-Info "Direktverbindung (kein Proxy)"
         }
 
         $webClient.DownloadFile($Url, $Destination)
         Write-Info "Download abgeschlossen: $Destination"
-    } catch {
+    }
+    catch {
         Write-Err "Download fehlgeschlagen: $_"
         exit 1
-    } finally {
+    }
+    finally {
         $webClient.Dispose()
     }
 }
 
-# ── MSI Install / Update ──────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# MSI Install / Update
+# Verwendet ProcessStartInfo direkt - umgeht PS5.1 Quoting-Probleme
+# bei Leerzeichen in Werten (z.B. Hostname "Tischlerei Terminal")
+# --------------------------------------------------------------------------
 
 function Install-ZabbixMsi {
     param(
@@ -120,7 +144,6 @@ function Install-ZabbixMsi {
     $action = if ($IsUpdate) { "Update" } else { "Installation" }
     Write-Info "Starte $action ..."
 
-    # Bei Update: Dienst stoppen
     if ($IsUpdate) {
         $svc = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
         if ($svc -and $svc.Status -eq "Running") {
@@ -130,28 +153,35 @@ function Install-ZabbixMsi {
         }
     }
 
-    $msiArgs = @(
-        "/i", $MsiPath,
-        "/qn",                              # Silent
-        "/l*v", "$TempDir\zabbix-install.log",
-        "SERVER=$ZabbixServer",
-        "SERVERACTIVE=$ZabbixServer",
-        "HOSTNAME=$Hostname",
-        "LISTENPORT=10050"
-    )
+    $logFile = "$TempDir\zabbix-install.log"
+    $argString = "/i `"$MsiPath`" /qn /l*v `"$logFile`" " +
+                 "SERVER=`"$ZabbixServer`" " +
+                 "SERVERACTIVE=`"$ZabbixServer`" " +
+                 "HOSTNAME=`"$Hostname`" " +
+                 "LISTENPORT=10050"
 
-    $proc = Start-Process -FilePath "msiexec.exe" -ArgumentList $msiArgs -Wait -PassThru
+    $pinfo = New-Object System.Diagnostics.ProcessStartInfo
+    $pinfo.FileName = "msiexec.exe"
+    $pinfo.Arguments = $argString
+    $pinfo.UseShellExecute = $false
+
+    $proc = New-Object System.Diagnostics.Process
+    $proc.StartInfo = $pinfo
+    $proc.Start() | Out-Null
+    $proc.WaitForExit()
 
     if ($proc.ExitCode -ne 0) {
         Write-Err "MSI $action fehlgeschlagen (ExitCode: $($proc.ExitCode))"
-        Write-Err "Details: $TempDir\zabbix-install.log"
+        Write-Err "Details: $logFile"
         exit 1
     }
 
     Write-Info "MSI $action erfolgreich."
 }
 
-# ── Dienst starten ────────────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Dienst starten
+# --------------------------------------------------------------------------
 
 function Start-ZabbixService {
     $svc = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
@@ -168,63 +198,57 @@ function Start-ZabbixService {
     return $svc.Status
 }
 
-# ── Hauptprogramm ─────────────────────────────────────────────────────────────
+# --------------------------------------------------------------------------
+# Hauptprogramm
+# --------------------------------------------------------------------------
 
 Show-Header
 
-# Installierte Version ermitteln
 $installedVersion = Get-InstalledVersion
 $isUpdate = $null -ne $installedVersion
 
 if ($isUpdate) {
     Write-Info "Installierte Version gefunden: $installedVersion"
     Write-Info "Modus: UPDATE auf $ZabbixVersion"
-} else {
+}
+else {
     Write-Info "Kein Zabbix Agent gefunden."
     Write-Info "Modus: NEUINSTALLATION von $ZabbixVersion"
 }
 Write-Host ""
 
-# Hostname abfragen
 $defaultHostname = $env:COMPUTERNAME
-$inputHostname = Read-Host "Zabbix-Hostname eingeben [Standard: $defaultHostname]"
-$agentHostname = if ($inputHostname.Trim() -eq "") { $defaultHostname } else { $inputHostname.Trim() }
+$inputHostname   = Read-Host "Zabbix-Hostname eingeben [Standard: $defaultHostname]"
+$agentHostname   = if ($inputHostname.Trim() -eq "") { $defaultHostname } else { $inputHostname.Trim() }
 Write-Info "Verwende Hostname: $agentHostname"
 Write-Host ""
 
-# Proxy-Auswahl
 $selectedProxy = Select-Proxy
 Write-Host ""
 
-# MSI-Download-URL zusammenbauen
 $arch    = "amd64"
 $msiFile = "zabbix_agent2-$ZabbixVersion-windows-$arch-openssl.msi"
 $msiUrl  = "https://cdn.zabbix.com/zabbix/binaries/stable/" +
            "$($ZabbixVersion.Split('.')[0..1] -join '.')/$ZabbixVersion/$msiFile"
 $msiDest = "$TempDir\$msiFile"
 
-# Download
 Get-ZabbixMsi -Url $msiUrl -Destination $msiDest -ProxyUrl $selectedProxy
 
-# Installation / Update
 Install-ZabbixMsi -MsiPath $msiDest -Hostname $agentHostname -IsUpdate $isUpdate
 
-# Temporäre Datei aufräumen
 Remove-Item -Path $msiDest -Force -ErrorAction SilentlyContinue
 
-# Dienst starten
 Write-Info "Starte Zabbix-Dienst ..."
 $status = Start-ZabbixService
 
-# Ergebnis
 Write-Host ""
 Write-Host "=============================================" -ForegroundColor Cyan
 Write-Info " Zabbix Agent 2 erfolgreich eingerichtet!"
-Write-Info "  Hostname  : $agentHostname"
-Write-Info "  Server    : $ZabbixServer"
-Write-Info "  Version   : $ZabbixVersion"
-Write-Info "  Modus     : Aktiv"
-Write-Info "  Dienst    : $status"
+Write-Info "  Hostname : $agentHostname"
+Write-Info "  Server   : $ZabbixServer"
+Write-Info "  Version  : $ZabbixVersion"
+Write-Info "  Modus    : Aktiv"
+Write-Info "  Dienst   : $status"
 Write-Host "=============================================" -ForegroundColor Cyan
 Write-Host ""
 Write-Warn "Denk daran: Den Host '$agentHostname' im Zabbix-Frontend anlegen,"