No matches were found for subject:"Bug#916629\: command\-not\-found\: Today, I run startx command and a few minutes later computer frozen i reboot the computer but it loop in login screen and i started in root mode and i checkedjournalctl logs and i fix the problem but if i wrote wrong command it says Could not find the database of available applications, run update\-command\-not\-found as root to fix this i run update\-command\-not\-found but nothing changed Thanks."