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--- userspace:windows_updates_-_powershell [2017/03/02 09:33]
trabs-ol
+++ userspace:windows_updates_-_powershell [2021/08/23 08:37] (current)
@@ Line 1: / Line 1: @@
-Mit diesem Script werden so lange Updates intstalliert bis keine mehr vorliegen. Die Updates werden nur nach 19 Uhr und vor 7 Uhr installiert um den User nicht an der Anmeldung zu hindern. Aussnahme: Der Rechner wurde neu installiert, dann werden unabhängig von der Uhrzeit alle Updates installiert. Mit dem ONCE Script werden immer alle Updates installiert, unabhänig von der Tageszeit.
+====== WSUS Updates Powershell ======
-Voraussetzungen: Powershell Version >= 4
+Mit diesem Script werden so lange Updates intstalliert bis keine mehr vorliegen. Die Updates werden nur nach 19 Uhr und vor 7 Uhr installiert um den User nicht an der Anmeldung zu hindern. Aussnahme: Der Rechner wurde neu installiert, dann werden unabhängig von der Uhrzeit alle Updates installiert. Mit dem ONCE Script werden immer alle Updates installiert, unabhängig von der Tageszeit.
+Voraussetzungen: Powershell Version >= 4.0
+Getestet unter Windows 7 x64 SP1
+Logging des Scriptes erfolgt in C:\tmp\windows-update-opsi.log
+Ordnerstruktur:
+CLIENT_DATA
+  * install-updates.ps1
+  * install-updates-once.ps1
+  * once64.ins
+  * setup64.ins
+  * windows_update_icon.png (nur fürs gute Aussehen)
+OPSI
+  * control
 setup64.ins
 <code winst>
-; abf30f1dd186eca69e73d41d3f93481c  -
 ; Copyright (c) uib gmbh (www.uib.de)
 ; This sourcecode is owned by uib
@@ Line 22: / Line 39: @@
 DefVar $MinimumSpace$
 DefVar $ExitCode$
-DefStringList $Version_List$
-DefVar $Version$
 Set $LogDir$ = "%SystemDrive%\tmp"
@@ Line 46: / Line 60: @@
 	ShowBitmap "%ScriptPath%\windows_update_icon.png" "Windows Update"
-	Message "Prüfe, ob Powershell Version >= 4 ist..."
+        Files_Install /Sysnative
-	set $Version_List$ = getOutStreamFromSection ("DosInAnIcon_PSVersion_check")
+	Message "Installiere Windows Updates. Dies kann mehrere Stunden dauern."
-	set $Version$ = takeString(2, $Version_List$)
+	DosInAnIcon_WindowsUpate
+	Sub_check_exitcode
-	if ($Version$ < "4")
-		Message "Powershell Version veraltet. Produkt Powershell auf setup setzen..."
+endif
-		opsiServiceCall_Powershell_Setup
-		Message "Neustart..."
+[Files_Install]
-		ExitWindows /ImmediateReboot
+CheckTargetPath = "%Systemdrive%\tmp"
+copy -u "%ScriptPath%\install-updates.ps1" "%Systemdrive%\tmp\"
+[DosInAnIcon_WindowsUpate]
+"%SystemRoot%\Sysnative\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy ByPass -command "& { "%Systemdrive%\tmp\install-updates.ps1"; exit $lastexitcode }"
+[Sub_check_exitcode]
+comment "Test for installation success via exit code"
+set $ExitCode$ = getLastExitCode
+; informations to exit codes see
+; http://msdn.microsoft.com/en-us/library/aa372835(VS.85).aspx
+; http://msdn.microsoft.com/en-us/library/aa368542.aspx
+if ($ExitCode$ = "0")
+	comment "Looks good: setup program gives exitcode zero"
+else
+	comment "Setup program gives a exitcode unequal zero: " + $ExitCode$
+	if ($ExitCode$ = "1605")
+		comment "ERROR_UNKNOWN_PRODUCT	1605	This action is only valid for products that are currently installed."
+		comment "Uninstall of a not installed product failed - no problem"
 	else
-		Message "Powershell Version ist >= 4..."
+		if ($ExitCode$ = "1641")
+			comment "looks good: setup program gives exitcode 1641"
+			comment "ERROR_SUCCESS_REBOOT_INITIATED	1641	The installer has initiated a restart. This message is indicative of a success."
+		else
+			if ($ExitCode$ = "3010")
+				comment "looks good: setup program gives exitcode 3010"
+				comment "ERROR_SUCCESS_REBOOT_REQUIRED	3010	A restart is required to complete the install. This message is indicative of a success."
+				ExitWindows /ImmediateReboot
+			else
+				logError "Fatal: Setup program gives an unknown exitcode unequal zero: " + $ExitCode$
+				isFatalError
+			endif
+		endif
 	endif
+endif
-    Files_Install /Sysnative
+</code>
+once64.ins
+<code winst>
+; Copyright (c) uib gmbh (www.uib.de)
+; This sourcecode is owned by uib
+; and published under the Terms of the General Public License.
+; credits: http://www.opsi.org/en/credits/
+; comment
+[Actions]
+requiredWinstVersion >= "4.11.4.7"
+AutoActivityDisplay = true
+StayOnTop = false
+DefVar $LogDir$
+DefVar $ProductId$
+DefVar $MinimumSpace$
+DefVar $ExitCode$
+Set $LogDir$ = "%SystemDrive%\tmp"
+; ----------------------------------------------------------------
+; - Please edit the following values                             -
+; ----------------------------------------------------------------
+;$ProductId$ should be the name of the product in opsi
+; therefore please: only lower letters, no umlauts,
+; no white space use '-' as a seperator
+Set $ProductId$       = "install-windows-updates"
+Set $MinimumSpace$    = "500 MB"
+; ----------------------------------------------------------------
+if not(HasMinimumSpace ("%SystemDrive%", $MinimumSpace$))
+	LogError "Not enough space on %SystemDrive%, " + $MinimumSpace$ + " on drive %SystemDrive% needed for " + $ProductId$
+	isFatalError
+	; Stop process and set installation status to failed
+else
+	comment "Show product picture"
+	ShowBitmap "%ScriptPath%\windows_update_icon.png" "Windows Update"
+        Files_Install /Sysnative
 	Message "Installiere Windows Updates. Dies kann mehrere Stunden dauern."
 	DosInAnIcon_WindowsUpate
@@ Line 65: / Line 149: @@
 endif
-[DosInAnIcon_PSVersion_check]
-powershell.exe $PSVersionTable.PSVersion.Major
 [Files_Install]
 CheckTargetPath = "%Systemdrive%\tmp"
-copy -u "%ScriptPath%\install-updates.ps1" "%Systemdrive%\temp\"
+copy -u "%ScriptPath%\install-updates-once.ps1" "%Systemdrive%\tmp\"
 [DosInAnIcon_WindowsUpate]
-"%SystemRoot%\Sysnative\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy ByPass -command "& { "%Systemdrive%\temp\install-updates.ps1"; exit $lastexitcode }"
+"%SystemRoot%\Sysnative\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -command "& { "%Systemdrive%\tmp\install-updates-once.ps1"; exit $lastexitcode }"
-[opsiServiceCall_Powershell_Setup]
-"method": "setProductActionRequestWithDependencies"
-"params": [
-           "powershell",
-           "%HostID%",
-           "setup"
-          ]
 [Sub_check_exitcode]
@@ Line 113: / Line 186: @@
 	endif
 endif
+</code>
+control
+<code>
+[Package]
+version: 19
+depends:
+incremental: False
+[Product]
+type: localboot
+id: install-windows-updates
+name: Updates für Windows installieren
+description:
+advice:
+version: 4.0
+priority: -80
+licenseRequired: False
+productClasses:
+setupScript: setup64.ins
+uninstallScript:
+updateScript:
+alwaysScript:
+onceScript: once64.ins
+customScript:
+userLoginScript:
 </code>
+install-updates.ps1
+<code>
+function Write-Log
+{
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory=$True,ValueFromPipeline=$True)]
+        [Array[]]$logstring
+    )
+    foreach ($string in $logstring) {
+        $nowDate = Get-Date -Format dd.MM.yyyy
+        $nowTime = Get-Date -Format HH:mm:ss
+        Write-Host $nowDate $nowTime $string
+        Add-Content -LiteralPath $LogPath -Value "$nowDate $nowTime $string"
+    }
+}
+function Get-Timewindow
+{
+    $Now = Get-Date
+    if (($Now.Hour -ge 7) -and ($Now.Hour -le 19))
+    {
+        Write-Log 'It is daytime. Check if System was just getting installed.'
+        $InstallDate = ([WMI]'').ConvertToDateTime((Get-WmiObject Win32_OperatingSystem).InstallDate)
+        $OneDay = New-TimeSpan -Days 1
+        if ((($Now) -$InstallDate) -lt $OneDay)
+        {
+            Write-Log 'OS installation time is not older than 1 day. Windows Updates must be installed. Continue...'
+        }
+        else
+        {
+            Write-Log 'OS installation time is older than 1 day. Doing nothing because its day.'
+            Write-Log '***** END *****'
+            exit 0
+        }
+    }
+    else
+    {
+        Write-Log 'It is night. Continue...'
+    }
+}
+function Get-Rebootrequired
+{
+    $objSystemInfo= New-Object -ComObject 'Microsoft.Update.SystemInfo'
+    $RebootRequired = $objSystemInfo.RebootRequired
+    if ($RebootRequired -eq $true)
+    {
+        Write-Log 'Need to reboot, rebooting...'
+        exit 3010
+    }
+    else
+    {
+        Write-Log 'No need to reboot.'
+    }
+}
+function Get-InstallerStatus {
+    $Busy = $true
+    $lastWriteTimeCBSLos = (Get-Item C:\Windows\Logs\CBS\CBS.log).LastWriteTime
+    $TimespanOneMinute = New-TimeSpan -Minutes 1
+    while ($Busy -eq $true)
+    {
+        if (((Get-Date) -$lastWriteTimeCBSLos) -gt $TimespanOneMinute) {
+            $Busy = $false
+        }
+        else {
+            Write-Log 'Waiting for Trusted Installer...'
+            Start-Sleep -Seconds 10
+        }
+    }
+}
+$LogPath = "$env:SystemDrive\tmp\windows-update-opsi.log"
+$FirstRun = Test-Path -Path $LogPath
+Write-Log '***** START *****'
+Get-Timewindow
+Get-Rebootrequired
+Get-InstallerStatus
+Write-Log 'Searching for new Updates...'
+#GUI bauen
+[System.Windows.Forms.Application]::EnableVisualStyles()
+Add-Type -AssemblyName System.Windows.Forms
+$Form = New-Object system.Windows.Forms.Form
+$Form.Text = 'Windows-Update-Status'
+$Form.Width = 430
+$Form.Height = 100
+$Form.TopMost = $True
+$Form.AutoSizeMode = 'GrowAndShrink'
+$Form.MinimizeBox = $False
+$Form.MaximizeBox = $False
+$Form.WindowState = 'Normal'
+$Form.SizeGripStyle = 'Hide'
+$Form.ShowInTaskbar = $False
+$Form.StartPosition = 'CenterScreen'
+$Font = New-Object System.Drawing.Font('Arial',12)
+$Form.Font = $Font
+$Label = New-Object System.Windows.Forms.Label
+$Label.Text = 'Suche nach Windows Updates...'
+$Label.AutoSize = $True
+$Form.Controls.Add($Label)
+$Form.Show()
+$Form.Focus()
+$Session= New-Object -ComObject Microsoft.Update.Session
+$Searcher= $Session.CreateUpdateSearcher()
+$SearchResults = $Searcher.Search("IsInstalled=0 and Type='Software'").Updates
+if ($SearchResults.Count -eq 0 -and $FirstRun -eq $true)
+{
+    Write-Log 'No Updates found.'
+    Write-Log '***** END *****'
+    $Label.Text = 'Keine neuen Updates gefunden.'
+    $Form.Refresh()
+    Start-Sleep -Seconds 5
+    $Form.Close()
+    exit 0
+}
+if ($SearchResults.Count -eq 0 -and $FirstRun -eq $false)
+{
+    Write-Log 'No Updates found, but it is the first time to search for updates. Reboot!'
+    Write-Log '***** END *****'
+    $Label.Text = 'Keine Updates gefunden, neuer Versuch...'
+    $Form.Refresh()
+    Start-Sleep -Seconds 5
+    $form.Close()
+    exit 3010
+}
+foreach ($Update in $SearchResults) {
+    $TotalUpdateSize = $Update.MaxDownloadSize + $TotalUpdateSize
+    Write-Log "Found KB$($update.KBArticleIDs), Size: $([math]::Round($($update.MaxDownloadSize/1MB),2).ToString('0.00').PadLeft(6)) MB, Title: $($update.Title)"
+}
+Write-Log "Summary: $($SearchResults.Count) new Update(s), $($($TotalUpdateSize/1MB).ToString('0.00')) MB to download."
+$Label.Text = "$($SearchResults.Count) neue Update(s) gefunden."
+$Form.Refresh()
+Start-Sleep -Seconds 5
+Write-Log 'Starting Download...'
+$Label.Text = 'Starte Download.'
+$Form.Refresh()
+Start-Sleep -Seconds 5
+# ProgressBar bauen
+$ProgressBarSize = New-Object System.Drawing.Size
+$ProgressBarSize.Width = 400
+$ProgressBarSize.Height = 20
+$ProgressBar = New-Object System.Windows.Forms.ProgressBar
+$ProgressBar.Left = 5
+$ProgressBar.Top = 35
+$ProgressBar.Style = 'Continuous'
+$ProgressBar.Value = 0
+$ProgressBar.Size = $ProgressBarSize
+$Form.Controls.Add($ProgressBar)
+$ProgressInPercent = 0
+$DownloadCount = 0
+$DownloadSuccessCounter = 0
+$DownloadFailedCounter = 0
+foreach ($DownloadItem in $SearchResults)
+{
+    $DownloadCount++
+    $Downloader = $Session.CreateUpdateDownloader()
+    $DownloadItems = New-Object -ComObject Microsoft.Update.UpdateColl
+    $DownloadItems.Add($DownloadItem)
+    $Downloader.Updates = $DownloadItems
+    $DownloadResult = $Downloader.Download()
+    if ($DownloadResult.ResultCode -eq 2) {
+        $DownloadSuccessCounter++
+        Write-Log "Successfully downloaded Update $DownloadCount of $($SearchResults.Count), KB$($DownloadItem.KBArticleIDs), Size: $(($DownloadItem.MaxDownloadSize/1MB).ToString('0.00')) MB, Title: $($DownloadItem.Title)"
+        $ProgressInPercent = ($DownloadCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Download $DownloadCount von $($SearchResults.Count) erfolgreich."
+        $Form.Refresh()
+    }
+    else {
+        $DownloadFailedCounter++
+        Write-Log "Failed downloading Update $DownloadCount of $($SearchResults.Count), KB$($DownloadItem.KBArticleIDs), Title: $($DownloadItem.Title)"
+        $ProgressInPercent = ($DownloadCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Download $DownloadCount von $($SearchResults.Count) fehlgeschlagen."
+        $Form.Refresh()
+    }
+}
+Write-Log "Summary: Successfully downloaded $DownloadSuccessCounter Updates, failed to download $DownloadFailedCounter Updates."
+Write-Log 'Starting Install...'
+$ProgressBar.Value = 0
+$Label.Text = 'Starte Installation...'
+$Form.Refresh()
+$InstallCount = 0
+$InstallSuccessCounter = 0
+$InstallFailedCounter = 0
+foreach ($InstallItem in $SearchResults)
+{
+    $InstallCount++
+    $Installer = $Session.CreateUpdateInstaller()
+    $InstallerItems = New-Object -ComObject Microsoft.Update.UpdateColl
+    $InstallerItems.Add($InstallItem)
+    $Installer.Updates = $InstallerItems
+    $InstallResult = $Installer.Install()
+    if ($InstallResult.ResultCode -eq 2) {
+        $InstallSuccessCounter++
+        Write-Log "Successfully installed Update $InstallCount of $($SearchResults.Count), KB$($InstallItem.KBArticleIDs), Title: $($InstallItem.Title)"
+        $ProgressInPercent = ($InstallCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Update $InstallCount von $($SearchResults.Count) erfolgreich installiert."
+        $Form.Refresh()
+    }
+    else {
+        $InstallFailedCounter++
+        Write-Log "Failed installing Update $InstallCount of $($SearchResults.Count), KB$($InstallItem.KBArticleIDs), Title: $($InstallItem.Title)"
+        $ProgressInPercent = ($InstallCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Update $InstallCount von $($SearchResults.Count) fehlgeschlagen."
+        $Form.Refresh()
+    }
+}
+Write-Log "Summary: Successfully installed $InstallSuccessCounter Updates, failed to install $InstallFailedCounter Updates."
+Write-Log 'Rebooting...'
+Write-Log '***** END *****'
+$Label.Text = "$InstallSuccessCounter Updates erfolgreich, $InstallFailedCounter Updates fehlgeschlagen."
+$Form.Refresh()
+Start-Sleep -Seconds 5
+$Label.Text = 'Neustart des Systems'
+$Form.Refresh()
+Start-Sleep -Seconds 5
+$Form.Close()
+exit 3010
+</code>
+install-updates-once.ps1
+<code>
+function Write-Log
+{
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory=$True,ValueFromPipeline=$True)]
+        [Array[]]$logstring
+    )
+    foreach ($string in $logstring) {
+        $nowDate = Get-Date -Format dd.MM.yyyy
+        $nowTime = Get-Date -Format HH:mm:ss
+        Write-Host $nowDate $nowTime $string
+        Add-Content -LiteralPath $LogPath -Value "$nowDate $nowTime $string"
+    }
+}
+function Get-Timewindow
+{
+    $Now = Get-Date
+    if (($Now.Hour -ge 7) -and ($Now.Hour -le 19))
+    {
+        Write-Log 'It is daytime. Check if System was just getting installed.'
+        $InstallDate = ([WMI]'').ConvertToDateTime((Get-WmiObject Win32_OperatingSystem).InstallDate)
+        $OneDay = New-TimeSpan -Days 1
+        if ((($Now) -$InstallDate) -lt $OneDay)
+        {
+            Write-Log 'OS installation time is not older than 1 day. Windows Updates must be installed. Continue...'
+        }
+        else
+        {
+            Write-Log 'OS installation time is older than 1 day. Doing nothing because its day.'
+            Write-Log '***** END *****'
+            exit 0
+        }
+    }
+    else
+    {
+        Write-Log 'It is night. Continue...'
+    }
+}
+function Get-Rebootrequired
+{
+    $objSystemInfo= New-Object -ComObject 'Microsoft.Update.SystemInfo'
+    $RebootRequired = $objSystemInfo.RebootRequired
+    if ($RebootRequired -eq $true)
+    {
+        Write-Log 'Need to reboot, rebooting...'
+        exit 3010
+    }
+    else
+    {
+        Write-Log 'No need to reboot.'
+    }
+}
+function Get-InstallerStatus {
+    $Busy = $true
+    $lastWriteTimeCBSLos = (Get-Item C:\Windows\Logs\CBS\CBS.log).LastWriteTime
+    $TimespanOneMinute = New-TimeSpan -Minutes 1
+    while ($Busy -eq $true)
+    {
+        if (((Get-Date) -$lastWriteTimeCBSLos) -gt $TimespanOneMinute) {
+            $Busy = $false
+        }
+        else {
+            Write-Log 'Waiting for Trusted Installer...'
+            Start-Sleep -Seconds 10
+        }
+    }
+}
+$LogPath = "$env:SystemDrive\tmp\windows-update-opsi.log"
+$FirstRun = Test-Path -Path $LogPath
+Write-Log '***** START *****'
+# Auskommetniert für OPSI-Once-Script
+# Get-Timewindow
+Get-Rebootrequired
+Get-InstallerStatus
+Write-Log 'Searching for new Updates...'
+#GUI bauen
+[System.Windows.Forms.Application]::EnableVisualStyles()
+Add-Type -AssemblyName System.Windows.Forms
+$Form = New-Object system.Windows.Forms.Form
+$Form.Text = 'Windows-Update-Status'
+$Form.Width = 430
+$Form.Height = 100
+$Form.TopMost = $True
+$Form.AutoSizeMode = 'GrowAndShrink'
+$Form.MinimizeBox = $False
+$Form.MaximizeBox = $False
+$Form.WindowState = 'Normal'
+$Form.SizeGripStyle = 'Hide'
+$Form.ShowInTaskbar = $False
+$Form.StartPosition = 'CenterScreen'
+$Font = New-Object System.Drawing.Font('Arial',12)
+$Form.Font = $Font
+$Label = New-Object System.Windows.Forms.Label
+$Label.Text = 'Suche nach Windows Updates...'
+$Label.AutoSize = $True
+$Form.Controls.Add($Label)
+$Form.Show()
+$Form.Focus()
+$Session= New-Object -ComObject Microsoft.Update.Session
+$Searcher= $Session.CreateUpdateSearcher()
+$SearchResults = $Searcher.Search("IsInstalled=0 and Type='Software'").Updates
+if ($SearchResults.Count -eq 0 -and $FirstRun -eq $true)
+{
+    Write-Log 'No Updates found.'
+    Write-Log '***** END *****'
+    $Label.Text = 'Keine neuen Updates gefunden.'
+    $Form.Refresh()
+    Start-Sleep -Seconds 5
+    $Form.Close()
+    exit 0
+}
+if ($SearchResults.Count -eq 0 -and $FirstRun -eq $false)
+{
+    Write-Log 'No Updates found, but it is the first time to search for updates. Reboot!'
+    Write-Log '***** END *****'
+    $Label.Text = 'Keine Updates gefunden, neuer Versuch...'
+    $Form.Refresh()
+    Start-Sleep -Seconds 5
+    $form.Close()
+    exit 3010
+}
+foreach ($Update in $SearchResults) {
+    $TotalUpdateSize = $Update.MaxDownloadSize + $TotalUpdateSize
+    Write-Log "Found KB$($update.KBArticleIDs), Size: $([math]::Round($($update.MaxDownloadSize/1MB),2).ToString('0.00').PadLeft(6)) MB, Title: $($update.Title)"
+}
+Write-Log "Summary: $($SearchResults.Count) new Update(s), $($($TotalUpdateSize/1MB).ToString('0.00')) MB to download."
+$Label.Text = "$($SearchResults.Count) neue Update(s) gefunden."
+$Form.Refresh()
+Start-Sleep -Seconds 5
+Write-Log 'Starting Download...'
+$Label.Text = 'Starte Download.'
+$Form.Refresh()
+Start-Sleep -Seconds 5
+# ProgressBar bauen
+$ProgressBarSize = New-Object System.Drawing.Size
+$ProgressBarSize.Width = 400
+$ProgressBarSize.Height = 20
+$ProgressBar = New-Object System.Windows.Forms.ProgressBar
+$ProgressBar.Left = 5
+$ProgressBar.Top = 35
+$ProgressBar.Style = 'Continuous'
+$ProgressBar.Value = 0
+$ProgressBar.Size = $ProgressBarSize
+$Form.Controls.Add($ProgressBar)
+$ProgressInPercent = 0
+$DownloadCount = 0
+$DownloadSuccessCounter = 0
+$DownloadFailedCounter = 0
+foreach ($DownloadItem in $SearchResults)
+{
+    $DownloadCount++
+    $Downloader = $Session.CreateUpdateDownloader()
+    $DownloadItems = New-Object -ComObject Microsoft.Update.UpdateColl
+    $DownloadItems.Add($DownloadItem)
+    $Downloader.Updates = $DownloadItems
+    $DownloadResult = $Downloader.Download()
+    if ($DownloadResult.ResultCode -eq 2) {
+        $DownloadSuccessCounter++
+        Write-Log "Successfully downloaded Update $DownloadCount of $($SearchResults.Count), KB$($DownloadItem.KBArticleIDs), Size: $(($DownloadItem.MaxDownloadSize/1MB).ToString('0.00')) MB, Title: $($DownloadItem.Title)"
+        $ProgressInPercent = ($DownloadCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Download $DownloadCount von $($SearchResults.Count) erfolgreich."
+        $Form.Refresh()
+    }
+    else {
+        $DownloadFailedCounter++
+        Write-Log "Failed downloading Update $DownloadCount of $($SearchResults.Count), KB$($DownloadItem.KBArticleIDs), Title: $($DownloadItem.Title)"
+        $ProgressInPercent = ($DownloadCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Download $DownloadCount von $($SearchResults.Count) fehlgeschlagen."
+        $Form.Refresh()
+    }
+}
+Write-Log "Summary: Successfully downloaded $DownloadSuccessCounter Updates, failed to download $DownloadFailedCounter Updates."
+Write-Log 'Starting Install...'
+$ProgressBar.Value = 0
+$Label.Text = 'Starte Installation...'
+$Form.Refresh()
+$InstallCount = 0
+$InstallSuccessCounter = 0
+$InstallFailedCounter = 0
+foreach ($InstallItem in $SearchResults)
+{
+    $InstallCount++
+    $Installer = $Session.CreateUpdateInstaller()
+    $InstallerItems = New-Object -ComObject Microsoft.Update.UpdateColl
+    $InstallerItems.Add($InstallItem)
+    $Installer.Updates = $InstallerItems
+    $InstallResult = $Installer.Install()
+    if ($InstallResult.ResultCode -eq 2) {
+        $InstallSuccessCounter++
+        Write-Log "Successfully installed Update $InstallCount of $($SearchResults.Count), KB$($InstallItem.KBArticleIDs), Title: $($InstallItem.Title)"
+        $ProgressInPercent = ($InstallCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Update $InstallCount von $($SearchResults.Count) erfolgreich installiert."
+        $Form.Refresh()
+    }
+    else {
+        $InstallFailedCounter++
+        Write-Log "Failed installing Update $InstallCount of $($SearchResults.Count), KB$($InstallItem.KBArticleIDs), Title: $($InstallItem.Title)"
+        $ProgressInPercent = ($InstallCount / $($SearchResults.Count))*100
+        $ProgressBar.Value = $ProgressInPercent
+        $Label.Text = "Update $InstallCount von $($SearchResults.Count) fehlgeschlagen."
+        $Form.Refresh()
+    }
+}
+Write-Log "Summary: Successfully installed $InstallSuccessCounter Updates, failed to install $InstallFailedCounter Updates."
+Write-Log 'Rebooting...'
+Write-Log '***** END *****'
+$Label.Text = "$InstallSuccessCounter Updates erfolgreich, $InstallFailedCounter Updates fehlgeschlagen."
+$Form.Refresh()
+Start-Sleep -Seconds 5
+$Label.Text = 'Neustart des Systems'
+$Form.Refresh()
+Start-Sleep -Seconds 5
+$Form.Close()
+exit 3010
+</code>

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