It's not uncommon for the latest version of an app to cause problems when installed on older devices. Sometimes newer versions of apps may not work with your device due to system incompatibilities. this is not a recommendation : If you are currently using updated client there is a well known bug aka [wss\:bittorrentxyyz] invalid URL w/c is preventing tracker from connecting ... [simply delete and remove] ... If you want to downgrade from earlier version, [simply disable your anti-virus] and disable software updates from keeping your client updated ... In utorrent point on Options/Preferences/General Uncheck - Updates & Privacy / Check - Notify me before installing updates ... [Older versions/Windows only] : https://utorrent.en.uptodown.com/windows/versions default connection/port [6881 - 6889] your settings will be save ... SEE : https://community.gaytor.rent/topic/60460/nothing-downloads-help?_=1671315829897 | https://community.gaytor.rent/topic/60497/utorrent-3-6-does-not-download?_=1669888401448