Comment 1 for bug 521703

You have to do in the Terminal (Applications>Accesories>Terminal):
ubuntu-bug package_name

Please see the next link for more information:
https://wiki.kubuntu.org/Kubuntu/Bugs/Reporting#Filing%20a%20bug%20with%20ubuntu-bug

I´ve closed this bug, but You can reopen it if You need it. Thank You for making Ubuntu better