I've been all sorted now. Thanks!
This indicates an issue with your machine -- please consult the Troubleshooting section of the KVS Tool User Guide.
Your Temporary & Permanent Credentials have been issued to the e-mail address you have originally indicated. Please provide an alternative contact e-mail address so that we can re-send them there.
This issue has now been resolved -- please clear MSIE Cookies and restart the KVS Tool.
By way of a reminder: