In Kloxo panel support we once come across the issue that the Kloxo admin page is displaying a blank page.There could be lots of reasons why this could happen. But for this client when I checked the lxadmin logs at /usr/local/lxlabs/lxadmin/log/lighttpd_error.log , it showed me,
2009-05-01 05:27:39: (mod_cgi.c.998) CGI failed: Permission denied /usr/local/lxlabs/lxadmin/file/phpsuexec.sh mod_cgi.c.1001: aborted
2009-05-01 05:27:51: (mod_cgi.c.998) CGI failed: Permission denied /usr/local/lxlabs/lxadmin/file/phpsuexec.sh mod_cgi.c.1001: aborted
To fix this, please run
/script/fixweb