Disable the "Initial Seeding/Semeaco Inicial" of torrent in properties.
Does the computer with the files, show 100% Seeding? If not then you need to, Right click the torrent -> Advanced -> Set Download Location... find the files and then Stop the torrent and Right click -> Force Re-Check. When it shows 100% of the files then Right click -> Force Start.
If you can't get it working remove the references in uTorrent,
just start from the beginning and create the torrent again follow my step by step instructions above.