.Mac login failed | Computers no longer registered with my .Mac account

Ever since the new year 2007, I can't sync my two computers with my .Mac account. The account, ID, and password still function. However, the computers no longer show up as registered. I have 302 days left on my .Mac account.
I always get a ".Mac login failed" error message. Does this have something to do with the date change.
Any help? I need this function urgently.

I too am having this very same problem. Have you found out how to fix this yet? I cannot sync with my Powerbook laptop or my .Mac account either. It also shows no registered computers when I know I've registered 3 of them. We pay alot of money to have the .Mac account and right now it is USELESS. VERY FRUSTRATED right now!
iMac (brand new, not even 1 month old)   Mac OS X (10.4.8)  

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