The service “ftpd” appears to be down.
The system failed to connect to this service’s TCP/IP port.
Service check failed to complete.
Unable to connect to port 21 on 127.0.0.1: Connection refused: Died
If you receive this error you can try following these steps...
Make a backup of your pure-ftpd.conf file.
Edit the file and comment out the following line...
CallUploadScript yes
...then save the file and restart FTP.
If the file cannot be edited you may try chattr -i pure-ftpd.conf to unlock. be sure to chattr +i pure-ftpd.conf to lock the file when finished.