update Adobe Flash Player in Kubuntu

You should just install the latest version from the Ubuntu repositories. It is a lot easier and normally they keep this one up-to-date with new Linux Flash releases.
To install it run the command

sudo apt-get install flashplugin-installer

Src: http://askubuntu.com/questions/463295/how-to-update-adobe-flash-player-in-kubuntu-latest-update