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    $keyName = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\"  
    $key2Name = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Screensavers\ssText3d\"  
    $ValueName = "DisplayString"  

    $Old_ssText3d = (Get-ItemProperty $key2Name -Name $ValueName).DisplayString
    $Version = (Get-ItemProperty $keyName -Name CurrentBuildNumber).CurrentBuildNumber

    $DisplayVersion = (Get-ItemProperty $keyName -Name DisplayVersion).DisplayVersion

    $PName = (Get-ItemProperty $keyName -Name ProductName).ProductName
    $RealPName =  (Get-WmiObject win32_operatingsystem).Caption
    $UBR = (Get-ItemProperty $keyName -Name UBR).UBR # gleich zu: BaseBuildRevisionNumber
	
    $RealPName =  $RealPName.TrimStart("Microsoft Windows ")  
    $RealPName =  $RealPName.TrimEnd(" Pro")  
    $New_ssText3d = $RealPName + " " + $DisplayVersion + " " + $Version + "." + $UBR  

    if ( $Old_ssText3d -ne $New_ssText3d )
	{
    Set-Itemproperty -path $key2Name -Name $ValueName -value $New_ssText3d
	}