It looks like this exact issue hasn't been posted for a few months, and I just had it happen today so I'm re-posting the solution.
Adept fails with a message saying that the apt database is in use by another process. Closing everything down does not solve the problem
The solution that worked for me is
Adept fails with a message saying that the apt database is in use by another process. Closing everything down does not solve the problem
The solution that worked for me is
Code:
sudo dpkg --configure -a