Sounds like your purchasing privileges have been suspended by billing. Support can't help with this you would have had to speak with billing. However, in the meantime, go to billing.microsoft.com and check to make sure that your account information exactly
matches your credit card information. If it does not that will be the reason you can't do anything.
Did this solve your problem?
Sorry this didn't help.
Great! Thanks for marking this as the answer.
How satisfied are you with this reply?
Thanks for your feedback, it helps us improve the site.