Okay, so when I deactivate the mark on "Plugins/UseBlocklist", everything works fine. I can close deluge without error, as well as start downloads and uploads. I still wonder why this could have such a devastating effect... As in: http://forum.deluge-torrent.org/viewtopic.php?f=7&t=32939

1.3.6 Windows 7, but 32bit I have exactly the same problem. Upon closing, it freezes and produces an "AppHangB1"-Error. But it seems to be just one symptom. After launching deluge, it first alerts a "no incoming connections"-message until after some seconds, this disappears. In a...