I'm not Mrs.M, but this might help.
What do you get if you click the 'Confirm' button for 'did not win' auctions?
You will have to pass onto support yourself. You can do that at the following link.
http://support.auctionsniper.com/
If you're sure AS didn't bid for you, go to:
http://www.auctionsniper.com/freeSnipes.aspx
It's only a consolation prize, but better than nothing.