OK... so I just installed 1.3 and can login / logout fine with multiple users (in FF3XP, Safari XP, IE 7xp, Chrome xp) IF (and evidently only if) the first time I login I check the "Remember me for 14 days" box. If I don't check the box, I get the above error that all have mentioned...
All browsers have cookies turned on, and I tried all the following in the config.php to no avail:
define('COOKIE_PATH', '');
define('COOKIE_PATH', '/');
/ / define('COOKIE_PATH', '/');
(In all cases the COOKIE_PATH is set to '/' in Cookie.class.php anyway...)
help!
--gabe