If you have any of the half dozen decent security suites available and a copy of (free) ccleaner.exe, then you aren't paying for much of anyting in terms of real benefits, even if the you were getting a valid code.
With the pro version you get real-time cookie blocking so scans and deleting afterward shouldn't be necessary but how hard is it to delete cookies.
I've used AA for several years and it gets harder and harder to justify. Now that it doesn't even work right, out of the gate -- fuggettabowit. I don't have to pay money to be treated like this for so little benefit in the long run.
sh