> When I launched webhttrack, the firebird brower launches 
and
> I  see a page <http://localhost.be/> where says 'if you are
> Firebox user set keyword.enabled to false in 

The browser couldn't connect to the server. You have 
probably a problem with the LD_LIBRARY_PATH.

Try this:

PATH=$PATH:$HOME/bin
LD_LIBRARY_PATH=$HOME/lib
export PATH
export LD_LIBRARY_PATH
webhttrack

(You should put the first four lines in your profile)