Bug in qBittorrent/libtorrent
Currently qBittorrent will not work well with proxies due to a bug in libtorrent 0.16.x.
A fix has been found and will be released in the next version.
1. Click on the settings icon.
2. Select Connection on the left side.
3. In the Proxy Server box enter the following information:
Checkmark Use proxy for peer connections
Both username and password are case sensitive. Make sure not to add/forget Capital Letters.
5. Click OK and restart qBittorrent
SPEED TEST TORRENT
This is a very fast torrent that will allow you to perform an accurate speed test.
Enable Tracker Exchange to improve performances:
1. Select Advanced
2. Scroll down and checkmark Exchange trackers with other peers and Always announce to all trackers.