I've got similar problem with Logitech Wave Corded keyboard. I've solved it reassigning the "Calculator key" to execute the application (in my case Kcalc) using "System preferences -> Keyboard and Mouse -> Shortcuts" in KDE.
-- Pressing "Calculator" button crashed kded https://bugs.launchpad.net/bugs/226496 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