She tried sudo apt-get install again. It worked.
She typed:
When Linux gives you a clear instruction, trust it. That scary-looking error is often just a polite nudge. Run the command it asks for, and you’ll be back to work before your coffee gets cold. Dpkg Was Interrupted You Must Manually Run Sudo Dpkg
When the screen glowed back to life, she reopened her terminal. One innocent sudo apt-get upgrade later, the terminal spat out: She tried sudo apt-get install again