When I change the language to spanish in the admin tool, I save it but if I come bak to the admin tool it english is selected again.
Thanks in advance
From this section of the docs.
http://coppermine-gallery.net/demo/cpg14x/docs/index.htm#admin_language
When the script auto detects the preferred language, it stores the result in a cookie on the visitor's computer. To reset this cookie (and thus force the script to do another auto detection) the user must call this autodetect function with something like: http://yoursite.com/coppermine_dir/index.php?lang=xxx