### Full Path to Background Script:
my $FULL_PATH = "C:\\Program Files\\Script_Dir\\my_script.pl";

### Converts the FULL_PATH to a Win32 "Short Pathname"
my $short_path = Win32::GetShortPathName($FULL_PATH);

### Prepend "perl " to before your script's path:
#    *my Array '@args' is just a space separated list of arguments
my $proc = Proc::Background->new("perl $short_path @args");


### Check if the Job is still alive... 1==YES, 0==NO
my $alive = $proc->alive;

### While $alive is NOT '0', then it's still running...
while ($alive ne 0)
{
	$alive = $proc->alive;

	if ($alive ne 0) {
		print "PROCESS IS STILL RUNNING...\n";
	} else {
		print "PROCESS IS NO LONGER RUNNING...\n";
	}
	sleep 1;
}

##</code><code>##

> no executable program located at C:\PROGRA~1\SCRIPT~1\MY_SC~2.PL