I'm sorry, but since I don't see any error message right now, and nobody else is reporting it, it must be a problem on your end, something is still blocking access to the server.
The KORD installer use only one server, but the KLAX installer (like the GSX one) use two mirrors, choosing at random which one would tried first, so it's really unlikely they would be both offline, the most likely explanation is that something is blocking online access to the installer on your system.
But that's not really a problem, if you download and install the Stand-Alone Addon Manager now, that one is always kept updated with what's online so, even if it can't access the internet for any reason, the local copy of the files is the same as the one online so, even accepting to continue using the local files, would still get you the same installation.