$CMD = '$dirfiles\SP81428\hpqFlash64.exe'
$arg1 = '-s'
$arg2 = '-p'
$arg3 = '$dirfiles\SP81428\pwd.bin'
$arg4 = '-f'
$arg5 = '$dirfiles\SP81428\68ICF.CAB'
& $CMD $arg1 $arg2 $arg3 $arg4 $arg5

$args = @('-s','-p','$dirfiles\SP81428\pwd.bin','-f','$dirfiles\SP81428\68ICF.CAB')
& '$dirfiles\SP81428\hpqFlash64.exe' $Args


Execute-Process -Path "$dirfiles\SP81428\hpqFlash64.exe" -Parameters "-s -p`"$dirfiles\SP81428\pwd.bin`" -f`"$dirfiles\SP81428\68ICF.CAB`""