ok m8s i had the same probs ... never worked in ioftpd scheduler
so i tried the task scheduler from windows .... grrr that one is really ugly
so i searched for a cron program for windows and i found this:
http://www.splinterware.com/download/wincron.zip
this is a free version
and now all is working perfect
have fun
bounty
PS: i use a .bat file & TaskIsRunning from RAMRAM