Here's MS response:
Don't worry, its possible to recover or correct. If this is an old HD, maybe there is a problem but usually not. When I use the term, "new" to me that doesn't always mean spanking brand new out of the box, it may refer to new to the system, I don't know how you use it.
Just installed a new 80 gig hard drive. everything is working fine. Under disk management it says the disk is healthy and then in brackets 'At Risk'. What exactly does this mean and how can I change this. I am running Win XP pro.