True, KiXtart does not support OUT parameters which is a problem.

However in this case there is a work-around (shamelessly stolen some time ago from elsewhere on this board - apologies to the original author)

Code:
$strComputer = "."
$processes = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" + $strComputer + "\root\cimv2").ExecQuery("Select * from Win32_Process")
FOR EACH $process IN $processes
 
	$ProcessDomain = $process.ExecMethod_("GetOwner").Domain
	$ProcessUser = $process.ExecMethod_("GetOwner").User
 
	$process.Name+":	"+$ProcessDomain+"\"+$ProcessUser+@CRLF
NEXT
; vim600:ts=4 sw=4 ai fdc=4 fdm=marker