create flag folder

RemoveHKeyPrinters.ps1

@@ -1,4 +1,9 @@
-$flagFile = "C:\ProgramData\PrinterHKeyClean\v1.flag"
+$flagFolder = "C:\ProgramData\PrinterHKeyClean" 
+$flagFile = "${flagFolder}\v1.flag"
+
+if (!(Test-Path $flagFolder)) {
+    New-Item -Path $flagFolder -ItemType Directory -Force | Out-Null
+}
 
 if (Test-Path $flagFile) {
     Write-Host "Script has already run. Exiting."