Code:
<?php
######################################################
# After you used this file, you can safely delete it.
######################################################
# -= WARNING: PLEASE READ =-
#
# NOTE: This file uses config.php to retrieve needed
# variables values. So, to do the upgrade PLEASE copy
# this file in your server root directory and execute
# it from your browser.
######################################################
include("mainfile.php");
####################### BEGIN THE UPDATE #######################################
mysql_query("UPDATE ".$prefix."_bbconfig SET config_value='.0.4' where config_name='version'");
copy that code and save as version.php
Upload it to the same directory as your index.php and config.php for you rNuke site.
Then point your browser to
http://www.yoursite.com/version.php
That will update the version number then you should be able to run the upgrade.
mikem