i dont think it is Protector problem . Try one Of this Methods :

1- Open file session.php found at /Xoops/kernel/session.php

Change line 80 var $enableRegenerateId = false;

to var $enableRegenerateId = true;


if it didt work go to step 2

2- Embty the Table _session and protector_access from database . you can write a php code to make cron file to everyday or every hour embty the table somthing like this code .

<?php
MYSQL_CONNECT('localhost,'dbuser,'password');
@mysql_select_db("dbname") or die(mysql_error());
// The Name of the Tables to embty
$query="TRUNCATE xoops_session";
$query="TRUNCATE xoops_protector_access";

mysql_query($query);
mysql_close()
?>

dont forget change the server name and username and password and db name and the tables name from the code above..

Good luck