unistall language file

i cant unistall the language file. i try from the control panel but it
doesn't work i reed the help but i cant understand what must to do
"iTo work properly, other languages on your computer require the language
you are trying to remove. This is the case with Language Pack Interface (LIP)
languages and their parent languages. You must remove a LIP before or at the
same time that you remove its parent languages."
that i to little info..
my hard is full 24 GB only from the languages, from the updates
please some..