diff --git a/PowerXaaS.ps1 b/PowerXaaS.ps1
index 879d2cb..6357196 100644
--- a/PowerXaaS.ps1
+++ b/PowerXaaS.ps1
@@ -10,7 +10,7 @@
 
   .NOTES
     Author: Olivier TABUT
-    1.5.0 release (08/04/2018)
+    1.6.0 release (08/04/2018)
 
   .PARAMETER Version
     Display this script version and exit
@@ -142,7 +142,7 @@ Param(
 ### GLOBAL SETTINGS ###
 
 # This script name, with various levels of details
-$ScriptVersion = "1.5.0"
+$ScriptVersion = "1.6.0"
 $argv0 = Get-Item $MyInvocation.MyCommand.Definition
 $Script = $argv0.basename                                         # Ex: PowerXaaS
 $ScriptName = $argv0.name                                         # Ex: PowerXaaS.ps1
@@ -205,7 +205,7 @@ if ($Setup)            # Install the service
   {
     $pss = Get-Service $ServiceName -ErrorAction stop # Will error-out if not installed
     # Check if this script is newer than the installed copy.
-    if (((Get-Item $ScriptCopy -ErrorAction SilentlyContinue).LastWriteTime -lt (Get-Item $ScriptFullName -ErrorAction SilentlyContinue).LastWriteTime) -or ((Get-ItemProperty -Path HKLM:\Software\PowerXaaS -Name Bindings).Bindings) -notmatch $ip)
+    if (((Get-Item $ScriptCopy -ErrorAction SilentlyContinue).LastWriteTime -lt (Get-Item $ScriptFullName -ErrorAction SilentlyContinue).LastWriteTime) -or ((Get-ItemProperty -Path HKLM:\Software\PowerXaaS -Name Bindings -ErrorAction silentlyContinue).Bindings) -notmatch $ip)
     {
       Write-Output "Service $ServiceName is already Installed, but requires upgrade or reconfiguration"
       & $ScriptFullName -Remove
@@ -337,6 +337,11 @@ if ($Remove)           # Uninstall the service
       Write-Error "Failed to remove the service ${ServiceName}: $msg"
       exit 1
     }
+    $processes = @(Get-WmiObject Win32_Process -filter "Name = 'powershell.exe'" | Where-Object { $_.CommandLine -match ".*$ScriptCopyCname.*-Service" })
+    foreach ($process in $processes)
+    {
+      taskkill /PID $process.ProcessId /F | out-null
+    }
   }
   catch
   {
@@ -345,10 +350,13 @@ if ($Remove)           # Uninstall the service
   
   # Unconfigure HTTP server
   Write-Output "Unconfiguring HTTP server"
-  $Bindings = (Get-ItemProperty -Path HKLM:\Software\PowerXaaS -Name Bindings).Bindings
-  $IpPort = $Bindings.split('/')[2]
-  Unregister-URLPrefix -Prefix $Bindings | Out-Null
-  Unregister-SSLCertificate -IpPort $IpPort | Out-Null
+  $Bindings = (Get-ItemProperty -Path HKLM:\Software\PowerXaaS -Name Bindings -ErrorAction SilentlyContinue).Bindings
+  if ($Bindings)
+  {
+    $IpPort = $Bindings.split('/')[2]
+    Unregister-URLPrefix -Prefix $Bindings | Out-Null
+    Unregister-SSLCertificate -IpPort $IpPort | Out-Null
+  }
 
   # Remove the installed files
   if (Test-Path $InstallDir)
@@ -444,13 +452,16 @@ if ($Status)           # Get the current service status
   if (($pss.Status -eq "Running") -and (!$spid))  # This happened during the debugging phase
   {
     Write-Host "The Service Control Manager thinks $ServiceName is started, but $ServiceName.ps1 -Service is not running." -ForegroundColor Red
-    exit 1
+    return "Inconsistent"
   }
   if (($pss.Status -eq "Stopped") -and ($spid))   # This happened during the debugging phase
   {
     Write-Host "The Service Control Manager thinks $ServiceName is stopped, but $ServiceName.ps1 -Service is running." -ForegroundColor Red
-    exit 1
-  }
+    $processes = @(Get-WmiObject Win32_Process -filter "Name = 'powershell.exe'" | Where-Object { $_.CommandLine -match ".*$ScriptCopyCname.*-Service" })
+    foreach ($process in $processes)
+    {
+      taskkill /PID $process.ProcessId /F | out-null
+    }
   return "$($pss.Status)$spid"
 }
 
diff --git a/README.md b/README.md
index f646e91..bec1b54 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ PowerXaaS will allow you to :
   - add, disable (feature-flag) or remove features/endpoints dynamically with no downtime
   - manage authentication and rights
   - manage several versions of your API
+  - validate JSON body based on predefined JSON schema
   - handle HTTP standard errors
   - check how your APIs are used
   - and much more...
@@ -24,4 +25,3 @@ PowerXaaS will allow you to :
 ### [Features and Endpoints](https://github.com/otabut/PowerXaaS/blob/master/docs/features-and-endpoints.md)
 ### [Custom features scripts](https://github.com/otabut/PowerXaaS/blob/master/docs/custom-features-scripts.md)
 ### [Authentication with JSON web tokens](https://github.com/otabut/PowerXaaS/blob/master/docs/json-web-tokens.md)
-
diff --git a/docs/index.md b/docs/index.md
index 550b6e2..7db8c4f 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -12,6 +12,7 @@ PowerXaaS will allow you to :
   - add, disable (feature-flag) or remove features/endpoints dynamically with no downtime
   - manage authentication and rights
   - manage several versions of your API
+  - validate JSON body based on predefined JSON schema
   - handle HTTP standard errors
   - check how your APIs are used
   - and much more...
diff --git a/functions/JSONvalidator-helper.ps1 b/functions/JSONvalidator-helper.ps1
new file mode 100644
index 0000000..8f6fe18
--- /dev/null
+++ b/functions/JSONvalidator-helper.ps1
@@ -0,0 +1,42 @@
+
+Function Test-JSON
+{
+  param(
+    [Parameter(Mandatory=$true)][String]$Schema,
+    [Parameter(Mandatory=$true)][String]$JSON
+  )
+
+  $ErrorActionPreference = 'stop'
+
+  $NewtonsoftJsonPath = Resolve-Path -Path "C:\Program Files\PowerXaaS\JsonSchema\Newtonsoft.Json.dll"
+  $NewtonsoftJsonSchemaPath = Resolve-Path -Path "C:\Program Files\PowerXaaS\JsonSchema\Newtonsoft.Json.Schema.dll"
+
+  Add-Type -Path $NewtonsoftJsonPath
+  Add-Type -Path $NewtonsoftJsonSchemaPath
+
+  $source = @'
+    public class Validator
+    {
+      public static System.Collections.Generic.IList<string> Validate(Newtonsoft.Json.Linq.JToken token, Newtonsoft.Json.Schema.JSchema schema)
+      {
+        System.Collections.Generic.IList<string> messages;
+        Newtonsoft.Json.Schema.SchemaExtensions.IsValid(token, schema, out messages);
+        return messages;
+      }
+    }
+'@
+
+  Add-Type -TypeDefinition $source -ReferencedAssemblies $NewtonsoftJsonPath,$NewtonsoftJsonSchemaPath
+
+  $Token = [Newtonsoft.Json.Linq.JToken]::Parse($JSON)
+  $Schema = [Newtonsoft.Json.Schema.JSchema]::Parse($Schema)
+  $ErrorMessages = [Validator]::Validate($Token,$Schema)
+
+  $Result = [PSCustomObject]@{
+    IsValid = $ErrorMessages.Count -eq 0
+    ErrorCount = $ErrorMessages.Count
+    ErrorMessages = $ErrorMessages
+  }
+
+  return $Result
+}
diff --git a/module/PowerXaaS.psd1 b/module/PowerXaaS.psd1
index e47145c..2e721be 100644
--- a/module/PowerXaaS.psd1
+++ b/module/PowerXaaS.psd1
@@ -12,7 +12,7 @@
 RootModule = 'PowerXaaS.psm1'
 
 # Version number of this module.
-ModuleVersion = '1.5.0'
+ModuleVersion = '1.6.0'
 
 # Supported PSEditions
 # CompatiblePSEditions = @()
diff --git a/pester/PowerXaaS.tests.ps1 b/pester/PowerXaaS.tests.ps1
index 4440836..a94541b 100644
--- a/pester/PowerXaaS.tests.ps1
+++ b/pester/PowerXaaS.tests.ps1
@@ -33,15 +33,15 @@ Describe "Validate PowerXaaS" {
     
     It "Setup" {
 
-      & "$PSScriptRoot\..\PowerXaaS.ps1" -Setup -Ip $ip -Port $port | Out-Null
+      & "$PSScriptRoot\..\PowerXaaS.ps1" -Setup -Ip $ip -Port $port -Protocol $protocol | Out-Null
       $result = & "$PSScriptRoot\..\PowerXaaS.ps1" -Status
-      $result | should be "Stopped"
+      $result | should match "Stopped"
     }
 
     It "Version" {
 
       $result = & "$PSScriptRoot\..\PowerXaaS.ps1" -Version
-      $result | should be "1.5.0"
+      $result | should be "1.6.0"
     }
 
     It "Start" {
@@ -56,7 +56,7 @@ Describe "Validate PowerXaaS" {
       & "$PSScriptRoot\..\PowerXaaS.ps1" -Stop | Out-Null
       start-sleep 1
       $result = & "$PSScriptRoot\..\PowerXaaS.ps1" -Status
-      $result | should be "Stopped"
+      $result | should match "Stopped"
     }
 
     It "Remove" {
@@ -64,7 +64,7 @@ Describe "Validate PowerXaaS" {
       & "$PSScriptRoot\..\PowerXaaS.ps1" -Remove | out-null
       $result = & "$PSScriptRoot\..\PowerXaaS.ps1" -Status
       $result | should be "Not installed"
-      & "$PSScriptRoot\..\PowerXaaS.ps1" -Setup -Ip $ip -Port $port -Start | Out-Null
+      & "$PSScriptRoot\..\PowerXaaS.ps1" -Setup -Ip $ip -Port $port -Protocol $protocol -Start | Out-Null
       start-sleep 2
       Import-Module PowerXaaS
     }