Thank you Jim for your prompt reply.
I agree that everybody loses activation, apart from the lucky ones like yourself. My question is why does Adobe need activation for certain codecs when it wasn't necessary before?
May I direct you to http://forums.adobe.com/message/4750588. I think it sums up the frustration that we all feel.
If all the files exist in the app, isn't the answer just to let us have them available to us? I would have thought a few lines of code would be the answer.