Creates a scheduled task that executes immediately, then on start up to run C:\myscript.ps1 as SYSTEM
$ScheduledTaskPrincipal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount
$ScheduledTaskTrigger1 = New-ScheduledTaskTrigger -AtStartup
$ScheduledTaskTrigger2 = New...
