We purchased Windows 7 Pro with Office 2013 Pro bundled more than 6 months ago. Windows 7 and Office products were working fine up to a couple days ago. Now, all of the sudden, whenever I start any office product, Activate Office window appears. Since I am not sure about email address that is associated with office subscription, I click on the link, "Enter a product key instead." "Getting your new office ready for you" window appears and says "Hold on, this should only take a few moments." I waited and waited for more than 3 hours, but it never ends. Only I could do is End Task from Task Manager.
Now, I can't use any of office product. What is the problem and how can i fix this?