i do meet this problem when upgrading to 1.2.2
this is what i did to fix it
* Open wp-login.php
* find COOKIEHASH
* rename/replace to $cookiehash
besure to rename all of them
vicnan, i put that .php files ?? also i include .pdf for custom image
/*
Remember the image open.gif and close.gif still link to my site, if you wanna use your own image just edit it,
it all yours ??
…..
happy spoiling