Ciao
$Redho disattivato il componente come da te suggerito,ma l'errore persiste. Inoltre ho verificato ".htaccess" ed è già impostato con rewiritebase senza " # ".
Cmq ti riporto tutto il file,magari ti aiuta ad inquadrare meglio il problema.
In attesa di tue.
Grazie!
##
# @version $Id: htaccess.txt 1570 2005-12-29 05:53:33Z eddieajau $
# @package Joomla
# @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
# @license
http://www.gnu.org/copyleft/gpl.html GNU/GPL
# Joomla! is Free Software
##
#
# mod_rewrite in use
#
RewriteEngine On
##
## NOTE!
## When using multiple Joomla sites or other web applications in sub-folders,
## you must explicitly turn the RewriteEngine off or use the settings
## recommended for the application
##
# Uncomment following line if your webserver's URL
# is not directly related to physical file paths.
# Update YourJoomlaDirectory (just / for root)
RewriteBase /
#
# Rules
#
RewriteCond %{REQUEST_FILENAME} !\.(jpg|jpeg|gif|png|css|js|pl|txt)$
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*) index.php