After all it seems that the hint window was created by k3b, and was eventually closed by the application
** Changed in: krusader (Ubuntu) Status: New => Invalid -- unkillable popup/hint window https://bugs.launchpad.net/bugs/230810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs