If WinSCP is used for connect to a remote which is not response or spercified a wrong port, then users instantly close to connection.
Now, WinSCP will show "Cancelling..." but seem forever to done this task.
Please try host diaocsva.com with port 2283 for SFTP connection.
I have to use Task Manager to Close it!
Please fix this issue.
This happened in 5.1.4