Someone

<step>
<para>
Open <application>Terminal</application> by going to &menuterminaln;. Type the
following command into a terminal prompt followed by pressing the
<keycap>Enter</keycap> key (if asked for a password, enter your user password
and press the <keycap>Enter</keycap> key):
<screen>
sudo /usr/share/doc/libdvdread3/install-css.sh
</screen>
</para>
</step>
</procedure>