By default it chooses the "Program Files" (32 bit Windows), respectively "Program Files (x86)" (on 64 bit Windows) directories, where programmes are installed by default and utorrent.exe.

If you use BitTorrent, you need to change to bittorrent.exe.

If you have installed µTorrent or BitTorrent to another location, you need to change the path accordingly. The ". . ." or "Browse" button next to the field allows to opens a file explorer window and navigate to the file.