How to start Ccleaner automaticly

Hello,

I'm very satisfied with CCleaner, but I can't find out how to start CCleaner automaticly. I scheduled it, but I'm not always there to click on run scan. What kind of startup string can I put there to get this function working?

http://forum.ccleaner.com/index.php?showtopic=3166

Thnx. Sorry I asked again :D