Although this thread is [resolved], I still want to add my 2 cents.
Did not see this thread until AFTER struggling to auto install upgrade, then struggling with manually installing upgrade, which was truly a struggle since I have a fair amount of customization in place. The end of the sad story is that somewhere in the process of replacing files I received an error message from 1and1 (web host) and all my directories disappeared... Now I am waiting to see if they will be able to retrieve basically my entire web space. Other sites unassociated with WordPress are just up and gone.
This is quite discouraging. Is it really worth all this, for a few measly blogs?
"They've just been waiting in a mountain for the right moment... to take over."
- Bjork, "The Modern Things"