Thank you for your reply. No, it is a brand new install. It has nothing to do with the language, even if I chooce english I get these square brackets. Below you see the content of the serverside cookie. Even there you see the square brackets.
INSTALL|a:13:{s:8:"language";s:2:"en";s:6:"dbhost";s:9:"localhost";s:6:"dbuser";
s:0:"";s:6:"dbpass";s:0:"";s:6:"dbtype";s:5:"my
sql";s:6:"dbname";s:6:"moodle";
s:6:"prefix";s:4:"mdl_";s:7:"
wwwroot";s:35:"
http://intranet.numerando.nl/moodle";
s:7:"
dirroot";s:67:"/home/httpd/vhosts/
................/subdomains/intranet/httpdocs/moodle";s:8:"
dataroot";s:71:
"/home/httpd/vhosts/
................/subdomains/intranet/httpdocs/moodledata";s:12:
"admindirname";s:5:"admin";s:5:"stage";s:1:"1";s:4:"prev";s:15:"
« previous";}
Hope you or someone else gets an idee what causses the problem.
Thanks