Download Manager Virus Checking

I have a downoad manager that allows for virus checking upon completion, you just have to enter the application file of the virus scanner. I just wanted to know what file I need to enter, because there are like 10 different executable files in the avast directory, and they all do different things. I would like it to run the quick scanner, as if I had just right clicked on the file and clicked scan…

Check the following thread, please:
http://www.avast.com/forum/index.php?board=2;action=display;threadid=268