Thank you for reporting this to Ubuntu. Which release of Ubuntu are you running and which version of firefox and firefox-kde-support are you trying to install?
** Changed in: firefox (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/923254 Title: The package "firefox-kde-support" has not been found among your software sources. Therefore, it cannot be installed. Status in “firefox” package in Ubuntu: Incomplete Bug description: will not install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/923254/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp