Local Security Settings

When I go into Security Options on a W2K Pro
machine, it comes back and tells me Windows cannot
open the local policy database and An unknown
error occured when attempting to open the
database. I don’t remember changing anything
in here and I haven’t installed anything on this machine in a long time. Unfortunately, my backup
has the same thing so this issue has been here for
awhile and I just have not noticed. Any ideas?