I was playing around JBIDE-17601 - that JIRA is about the bug that JBoss.org credentials were not validated when you went through new archetype from central -> Download & Install. So you could enter anything and it would let you carry on. But once the real download is about to start, you will get a popup to enter the credentials again (since the downloader needs the correct password). Even if you now enter the correct credentials, it will ask you 2 more times and then fail on Incorrect password.

Yes, this will be less likely to happen once JBIDE-17601 is fixed. But I suppose that the popup is in place exactly for the situation when the password needs to be corrected, so it should work, right?

There may still be a valid use case to hit this issue (although a very rare case):
1. User starts the runtime download dialog, enters correct credentials, moves to license
2. User changes his password on jboss.org
3. User carries on in the dialog to actually start the download - now he will probably be asked to correct his credentials

So in my opinion, if we already have a mechanism to ask for credentials again, then it should work. If you say this is not needed, then why even allow the popup?