https://bugs.winehq.org/show_bug.cgi?id=42548
--- Comment #3 from Giacomo Succi giacomo.succi@gmail.com --- I've tried to create another user on this machine and everything worked like charm. I've tried to rename my .kde and .config folder, and everything is working properly now. Maybe there was something wrong in them. No idea.
Thanks in advanvce for everything!