This sounds like something went wrong somewhere with the network connection. The Store is separate from the game, in that another company builds and provides the service. I usually am able to get the Store later if I get the blank screen and the Store in not undergoing maintenance. Store maintenance usually is announced in advance.
Originally Posted by kingofpepsi
I did have an issue purchasing Points once and had to call Account Support. I was able to get everything straightened out that way.
"No sadder words of tongue or pen are the words: 'Might have been'." -- John Greenleaf Whittier
"Do or do not. There is no try." -- Yoda
On planet Earth, there is a try.
Indeed, in a world and life full of change, the only constant is human nature (A is A, after all :P).
We old vets need to keep in mind those who come after us.