If disabling the WebTorrent protocol proxy doesn't resolve your issues, you may need to remove it entirely.
Often, yes. Proxies block UDP traffic, which DHT requires. Removing the proxy restores DHT functionality. how to remove vuze webtorrent protocol proxy
Download the latest stable Vuze (or switch to a modern alternative like qBittorrent or Transmission – many users abandon Vuze due to proxy bloat). If disabling the WebTorrent protocol proxy doesn't resolve
After disabling or removing the WebTorrent protocol proxy, verify that the changes have taken effect: yes. Proxies block UDP traffic