Windows Live OneCare Question (Please Help!)?

Just recently, I wiped my laptop which had Windows Live OneCare installed on it.

After getting my laptop up and running again, I tried reinstalling Windows Live OneCare, but I cannot remember what my Windows Live ID is, or my password. Since the cd I bought has a total of 3 subscriptions, I thought I would install it on a pc for my friend, but it is saying that the Key Code I have is already in use, and I cannot install it properly unless I sign into my Windows Live ID account.

Im sure I could wait it out for the year subscription to end, but isn't there any way to manually end it, or somehow delete the old Windows Live ID I created so I can create a new Windows Live ID?

If anyone has any advise, please let me know! I don't want to wait for another 2 months for it to run out, but I don't want to spend another $50 on another Key Code and Disk.