The main database is in the computer named "Office-PC", which I can continue to use and access any file without any problems, also the front desk XP computer can access it easily through the network. Both computers have their own log-ons with user names and passwords, which work without any difficulty. The laptop has been able to access both without having to enter a password until now, but now when I try to access Office-PC it wants a user name and password, and it won't accept anything I put in there. It can access the XP computer without problems.
One more weird thing I'm noticing, when I first turn on the Office-PC computer and open AC, it works for a little while, then it loses its SQL connection and I have to shut down the computer, re-start it and then it works fine for the rest of the day. I hope this helps clarify the problem.
Dr. B