Why doesn BitTorrent open .torrent or .btsearch files even though it is associated with them?
If BitTorrent doesn’t automatically open .torrent or .btsearch files when you double-click them, try pressing the relevant button(s) in the Windows Integration preferences. If that doesn’t help, you may have to remove the .torrent file type from Windows. In Windows Explorer, check the “Folder Options” > “File Types” list for the TORRENT entry and delete it, then press the associate button again from the preferences.