Reset Ubuntu with factory reset & and reinstall

 Try configuring unconfigured packages:

1. sudo dpkg --configure -a
   

2. Update the contents of the repositories

   sudo apt-get update
   

3. Try to fix missing dependencies:

   sudo apt-get -f install
   

4. Update all packages with new versions available:

   sudo apt-get full-upgrade
   

5. Reinstall Ubuntu desktop:

   sudo apt-get install --reinstall ubuntu-desktop
   

6. Remove unnecessary packages:

   sudo apt-get autoremove
   

7. Delete downloaded packages already installed:

   sudo apt-get clean
   

8. Reboot the system to see if the issue was resolved:

   sudo reboot