If dpkg completes but your front-end package manager ( apt ) still reports issues, the package dependency tree might be fractured.
As the error message implies, dpkg needs to be told to finish its interrupted job. The -a (or --pending ) flag instructs the package manager to configure all unpacked but unconfigured packages. Open your terminal and run: sudo dpkg --configure -a Use code with caution. If dpkg completes but your front-end package manager
If no errors appear, your system is fully repaired. Open your terminal and run: sudo dpkg --configure
E: Could not get lock /var/lib/dpkg/lock-frontend - open E: Unable to acquire the dpkg frontend lock Slow Hardware This error is the Linux equivalent
: These take longer and involve more configuration; interrupting them is a frequent cause of system "hangs". Slow Hardware
This error is the Linux equivalent of a "blue screen of death" for your package manager. It stops all installation, update, and removal processes until it is resolved. Fortunately, it is usually easy to fix.
Your computer turned off during an update.