We were quietly working together on a training for some non-microsoft
software. Suddenly the system partially shut down (as if we had selected log
off) and reverted to the log in screen. 2 out of the three users on the
machine were simply gone. We logged in under the remaining user and the
folders for the original users are all still present under 'Documents and
Settings'. This is most annoying and disconcerting. Any idea why this would
happen? Any idea how to fix it? Seems like a huge BUG.