Added Uninstall for 10.3.1.509

GraphPad Prism/10.6.0.890/Invoke-AppDeployToolkit.ps1

@@ -122,6 +122,20 @@ function Install-ADTDeployment
     ##================================================
     $adtSession.InstallPhase = "Pre-$($adtSession.DeploymentType)"
 
+    ## Remove any previous versions of GraphPad Prism 10
+
+    Write-ADTLogEntry "Checking for previous versions of GraphPad Prism 10."
+    $previousPrism = Get-ADTApplication -ProductCode '{760B068C-3ED5-4D67-A66C-3377E7565030}'
+    if ($previousPrism)
+    {
+        Write-ADTLogEntry "A previous version of GraphPad Prism 10 was found. Uninstalling it now."
+        Start-ADTMsiProcess -Action 'Uninstall' -ProductCode '{760B068C-3ED5-4D67-A66C-3377E7565030}' -ArgumentList '/qn'
+    }
+    else
+    {
+        Write-ADTLogEntry "No previous versions of GraphPad Prism 10 were found."
+    }
+    
     ##================================================
     ## MARK: Install
     ##================================================