There are multiple possibilities for these issues.
- The router is not configured to allow connections to your uTorrent client.
- Access the Administration interface on your router and manually forward the port from NAT > Port Forwarding to your PC's IP and port from uTorrent.
- Firewall blocks inbound connections to uTorrent.
- Add uTorrent to the firewall exception list in your Internet Security or Windows.
- Configure uTorrent
- Access Settings > BitTorrent and make sure the Protocol encryption is Enabled/Forced.