I edited the header in order for it to fit and moved your post to Consumer > My Account Online for better exposure.
If you right-click the taskbar icon and select "Verify Subscription" does that help?
Also read Solution 2 in THIS FAQ to see if the Subscription Repair Tool helps.
If not I suggest contacting Technical Support. It's free by phone.
You need to contact Support who will adjust the subscription in your PCs based on Order details from Dell. Kindly ensure that you have the Order details handy.
Toll Free number for India: 1800 3000 2454