You are aware that photoshop.com is in the process of going away? Becoming Revel? What do you want to do--switch to revel or retrieve your photos from photoshop.com?
There is no renewal subscription. PSE10 is forever unless you wish to upgrade.
By storage limit, I guess that it thinks you are trying to put onto too many machines. You are allowed to have on two, typically a PC and your laptop, but whatever. If you take off one machine you need to deactivate, or the audit thinks you still have
it on the machine you have taken it off. Talk to Adobe about your problem, I think they have a chat line for this. A friend of mine had similar probs and he said they were very helpful !
PS - have your serial number handy - it is the one on the back of the box - six groupings of four digits.