Connection closed, transfer aborted.

Causes

When the data connection is unexpectedly closed before the completion of a data transfer.

Fixes

Step 1: Restart FTP

Try logging back in, encouraged to restart the FTP transaction and try again.

Step 2: Contact NET

Contact NET to check if you need to increase your hosting account.

Step 3: Disable Firewall

Try disable the firewall on your PC, if not solves the problem, you may contact NET or ISP.