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Software caused connection abort
An established connection was aborted by the software in your host machine. Software caused connection abort.
This error can occur when the local network system aborts a connection, such as when WinSock closes an established connection after data retransmission fails (receiver never acknowledges data sent on a data stream socket), possibly due to a data transmission timeout or protocol error.
You may try to set the Connection Timeout higher (Default: 60s). If the problem persists change the Data Connection Mode from "Port Mode (PORT)" to "Passive Mode (PASV)" or vice versa. For further information on how to switch between Active and Passive mode please see the following Knowledge Base article:
How to switch between Active and Passive mode