iTunes 12.2 cannot add computer to iTunes Match
I'm a current subscriber to iTunes Match and after upgrading to iTunes 12.2 on my Mid 2010 27" iMac running Yosemite 10.10.4, I found that I cannot add my computer to iTunes Match. It was working fine prior to the update to 12.2. Watching the activity, it stops working after "Waiting for Apple to deliver your iCloud Music Library":
If I close and reopen iTunes, select iTunes Match from the iTunes Store, it prompts me again to add my computer:
I've also noticed that if I click on the iTunes Match on the footer of the iTunes Store page
and click "Learn More...", nothing happens.
Has anyone else encountered this problem? Does anyone know how to fix?
Thanks.