What worked for me was restoring the default libraries like the post marked 'Answer' suggests here:
Can't download Holiday Freebies (or other purchased - Microsoft Community
Tried this with no luck.
The issue is definitely with my PC at the office as I was able to successfully "buy" the free albums I wanted on my home PC (and phone). No idea what the cause is but at least I have a solution.
Your workplace probably disables it via firewall.