yes i check file folder permission ...
5. Set permissions for the following directories:
chmod 777 (drwxrwxrwx) : data
chmod 777 (drwxrwxrwx) : data/database
chmod 777 (drwxrwxrwx) : data/media
chmod 777 (drwxrwxrwx) : data/thumbnails
chmod 777 (drwxrwxrwx) : data/tmp_media
chmod 777 (drwxrwxrwx) : data/tmp_thumbnails
chmod 777 (drwxrwxrwx) : templates
chmod 777 (drwxrwxrwx) : templates/default
chmod 777 (drwxrwxrwx) : templates/default/media
but dont work....same error