Patrick O'Callaghan wrote: > Anyway, I configured Autostart to fire up QBT on login, but I also use > "save session" in KDE. Guess what: I get two instances of QBT running. > Now the odd thing is that QBT is a "single instance" app. It's supposed > to detect a running copy and not start another one. However the way it > does this is by looking for a /tmp/qBittorrent-<uid> file. This actually > works. There is a (single) file there when the two instances are > running, and if I try to start a third one from the Shell it quite > rightly refuses. ... > Is it possible that the first (Autostart) instance of QBT creates the > file, and something in the KDE startup sequence deletes it before the > second (saved session) instance fires up? I can't think of another > explanation, but IMHO this is Bad. nothing in kde would touch that. this is most likely a race/bug in qbittorrent