$spiderProc = Proc::Simple->new();
$spiderStatus = $spiderProc->start("k:\\spider\\spider.exe"); 
print ("spider start status: $ spiderStatus"); # returns start failed
$spiderPoll = $spiderProc->poll();
print ("test poll: $spiderPoll"); # returns running
$tempExitStat = $spiderProc->kill(); 
print ("killing: $tempExitStat"); # returns fill failed