diff --git a/WindowsServiceManager/WindowsServiceManagerV4/Add-LocalUserToLogonAsAService.ps1 b/WindowsServiceManager/WindowsServiceManagerV4/Add-LocalUserToLogonAsAService.ps1
index 2c200ea..3c1c280 100644
--- a/WindowsServiceManager/WindowsServiceManagerV4/Add-LocalUserToLogonAsAService.ps1
+++ b/WindowsServiceManager/WindowsServiceManagerV4/Add-LocalUserToLogonAsAService.ps1
@@ -13,29 +13,20 @@
 #function added by Robin Carlsson, robintheswede.com, 2017-03-08
 
 function Add-LocalUserToLogonAsAService {
- [CmdletBinding()]
+	[CmdletBinding()]
 	param (
 		[parameter(Mandatory = $true)]
 		[string]$user
 	)
-
+   
 	PROCESS {
-		param($accountToAdd)
-		#written by Ingo Karstein, http://blog.karstein-consulting.com
-		#  v1.0, 01/03/2014
-
-		## <--- Configure here
-
-		if ( [string]::IsNullOrEmpty($accountToAdd) ) {
-			Write-Host "no account specified"
-			exit
+		if ( [string]::IsNullOrEmpty($user) ) {
+			return Write-Error "no account specified"
 		}
 
-		## ---> End of Config
-
 		$sidstr = $null
 		try {
-			$ntprincipal = new-object System.Security.Principal.NTAccount "$accountToAdd"
+			$ntprincipal = new-object System.Security.Principal.NTAccount "$user"
 			$sid = $ntprincipal.Translate([System.Security.Principal.SecurityIdentifier])
 			$sidstr = $sid.Value.ToString()
 		}
@@ -43,11 +34,10 @@ function Add-LocalUserToLogonAsAService {
 			$sidstr = $null
 		}
 
-		Write-Host "Account: $($accountToAdd)" -ForegroundColor DarkCyan
+		Write-Host "Account: $($user)" -ForegroundColor DarkCyan
 
 		if ( [string]::IsNullOrEmpty($sidstr) ) {
-			Write-Host "Account not found!" -ForegroundColor Red
-			exit -1
+			return Write-Error "Account not found!"
 		}
 
 		Write-Host "Account SID: $($sidstr)" -ForegroundColor DarkCyan
diff --git a/WindowsServiceManager/WindowsServiceManagerV4/DeployWindowsService.ps1 b/WindowsServiceManager/WindowsServiceManagerV4/DeployWindowsService.ps1
index 586a12e..b986b2d 100644
--- a/WindowsServiceManager/WindowsServiceManagerV4/DeployWindowsService.ps1
+++ b/WindowsServiceManager/WindowsServiceManagerV4/DeployWindowsService.ps1
@@ -144,6 +144,7 @@ $scriptBlock = {
             $freshTopShelfInstall = $true
         }
         else {
+            Write-Output "[$env:ComputerName]: Start creating Service [$ServiceName]."
             if ($serviceStartupType -eq "Delayed") {
                 $startupType = "Automatic"
                 $delayed = $true
@@ -157,18 +158,27 @@ $scriptBlock = {
                 Name           = $ServiceName
                 BinaryPathName = $startCommand
                 DisplayName    = $serviceDisplayName
-                Description    = $serviceDescription
                 StartupType    = $startupType
             }
+
+            # add Description just if Descripion is provided to prevent Parameter null or empty Exception
+            if($serviceDescription) {                
+                Write-Output "[$env:ComputerName]: Adding Description [$serviceDescription]"
+                $newServiceSplat.Description = $serviceDescription
+            }
+
             if ($runAsCredential) {
+                Write-Output "[$env:ComputerName]: Setting RunAsCredentials"
                 $newServiceSplat.Credential = $runAsCredential
                 # load Function
                 . "$PSScriptRoot\Add-LocalUserToLogonAsAService.ps1"
-                Add-LocalUserToLogonAsAService -user $runAsCredential
+                Add-LocalUserToLogonAsAService -user $runAsCredential.UserName
             }
-            $newService = New-Service @newServiceSplat
+            $newService = New-Service @newServiceSplat            
+            Write-Output "[$env:ComputerName]: Service [$ServiceName] created."
 
             if ($delayed) {
+                Write-Output "[$env:ComputerName]: Set [$ServiceName] to Delayed start"
                 Start-Process -FilePath sc.exe -ArgumentList "config ""$ServiceName"" start=delayed-auto"
             }
         }
@@ -255,5 +265,5 @@ if ($useSSL) {
     $invokeCommandSplat.UseSSL = $true
 }
 
-Invoke-Command @invokeCommandSplat -ArgumentList $ServiceName, $serviceDisplayName, $serviceDescription, $serviceStartupType, $TimeOut, $StopProcess, $CleanInstall, $ArtifactPath, $installationPath, $runAsCredential, $installTopShelfService, $instanceName, $installArguments, $startService
+Invoke-Command @invokeCommandSplat -ArgumentList $ServiceName, $serviceDisplayName, $serviceDescription, $serviceStartupType, $TimeOut, $StopProcess, $CleanInstall, $ArtifactPath, $installationPath, $startCommand, $runAsCredential, $installTopShelfService, $instanceName, $installArguments, $startService
 Trace-VstsLeavingInvocation $MyInvocation
\ No newline at end of file
diff --git a/WindowsServiceManager/WindowsServiceManagerV4/utility.ps1 b/WindowsServiceManager/WindowsServiceManagerV4/utility.ps1
index fbbee8f..4af43ba 100644
--- a/WindowsServiceManager/WindowsServiceManagerV4/utility.ps1
+++ b/WindowsServiceManager/WindowsServiceManagerV4/utility.ps1
@@ -8,20 +8,22 @@ function Get-NewPSSessionOption {
         $commandString = "New-PSSessionOption $arguments"
         Write-Verbose "New-PSSessionOption command: $commandString"
         return (Invoke-Expression -Command $commandString)
-    } finally {
+    }
+    finally {
         Trace-VstsLeavingInvocation $MyInvocation
     }
 }
 
 function Get-WindowsService {
-    param
-    (
+    [CmdletBinding()]
+    param   (
         $ServiceName
     )
     return Get-WmiObject -Class Win32_Service | Where-Object { $PSItem.Name -eq $ServiceName }
 }
 
 function Start-WindowsService {
+    [CmdletBinding()]
     param
     (
         $ServiceName
@@ -38,6 +40,7 @@ function Start-WindowsService {
 }
 
 function Stop-WindowsService {
+    [CmdletBinding()]
     param
     (
         [string]
@@ -63,7 +66,7 @@ function Stop-WindowsService {
                 if ($StopProcess) {
                     Write-Verbose "[$env:ComputerName]: [$ServiceName] did not respond within [$Timeout] seconds, stopping process."
 
-                    $parentPath  = Get-FullExecuteablePath -StringContainingPath $serviceObject.PathName -JustParentPath
+                    $parentPath = Get-FullExecuteablePath -StringContainingPath $serviceObject.PathName -JustParentPath
 
                     $allProcesses = Get-Process
                     $process = $allProcesses | Where-Object { $_.Path -like "$parentPath\*" }
@@ -87,7 +90,8 @@ function Stop-WindowsService {
 
 function Get-FullExecuteablePath {
     [CmdletBinding()]
-    param (
+    param 
+    (
         [string]
         $StringContainingPath,
 
@@ -98,7 +102,7 @@ function Get-FullExecuteablePath {
     $matchPattern = '( |^)(?<path>([a-zA-Z]):\\([\\\w\/.-]+)(.exe|.dll))|(( "|^")(?<path2>(([a-zA-Z]):\\([\\\w\/. -]+)(.exe|.dll)))(" |"$))'
 
     # check if PathName can be processed
-    if($StringContainingPath -notmatch $matchPattern) {
+    if ($StringContainingPath -notmatch $matchPattern) {
         return Write-Error -Message "String can't be parsed. The StringContainingPath parameter should contain a valid Path ending with an '.exe' or '.dll'. Current string [$StringContainingPath]"
     }