I've a similar issue. UI goes stuck when starting Yappari, 9 times on 10. I mean, i start Yappari, the main window appears, in less then a second it becomes unusable, totally unresponsive. Then a popup says that yappari stoppend working and I am forced to kill the application. I tried to clear every single chat log, using the dedicated option in the menu, but it doesn't works: i choose to delete the log, the conversation disappear for a while, then it appears again as nothing happened. So I tried to delete manually the yappari.log file form /user/.config/scorpius directory. I was expecting something bad, like a total failure, but it seems that nothing changed, the application runs like always. I have to restart it many times before it becomes usable with a functional UI. And, no, i have not anymore a yappari.log file in /user/.config/scorpius directory. It was aroung 60MB before deleting it. Obiously i kept a backup copy of that file. d!