[kubuntu] KTorrent won't load after sleep, etc

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http://ubuntuforums.org – Sometimes when I put my computer in sleep mode, or log out, or kill Xorg, etc, KTorrent won't start up next time until I reboot. The window will open, but it stays blank and unresponsive (it won't even respond to SIGTERM, so I have to use SIGKILL), and the icon that should be in the task bar is blank (or transparent).. I tried deleting the lockfile (/tmp/.ktorrent_kde4_1000.lock) but that didn't work. Even using "kill -9 -1" doesn't work, so I'm assuming there's a stale file left over somewhere that's preventing KTorrent from opening. I tried looking in /tmp, but couldn't find an (Hardware)