start /min taskmgr

<package>
   <job id="vbs">
      <script language="VBScript">
        set WshShell = WScript.CreateObject("WScript.Shell")
        WshShell.Run "taskmgr"
        WScript.Sleep 100
        WshShell.SendKeys "% n"
      </script>
   </job>
</package>

cscript C:UsersLinusAppDatataskmgr-minimised.wsf