Take a very deep breath and follow it with chocolate.
Go to Bernina's web site. They have a list of possible problems and how to solve them. When I got my new (used) Bernina 200, I had some issues installing the software and getting the computer and the machine to talk to each other. Found the answer right there.
And sew some more.
Email your kids and tell them how much you love them.
Sew some more and take M&M breaks....