Hello,
I realize this is an old thread.
However if anyone else finds it, or the original user is interested.
You may be able to modify the libcds.dll file to correct the software update URL and re-enable the built-in download function as it was intended to work.
Since this appears to occur for multiple generations or releases.
Experience with this behavior and the correction method may also apply for those.
Here is a thread created about how to fix the problem: