New Post: An established connection was aborted by the software in your host machine

Can anyone shed some light on this issue? Thanks in advance

Renci.SshNet.Common.SshConnectionException: An established connection was aborted by the software in your host machine.
at Renci.SshNet.Session.WaitHandle(WaitHandle waitHandle) in *\Renci.SshNet\Session.cs:line 640
at Renci.SshNet.Channels.Channel.Close(Boolean wait) in *\Renci.SshNet\Channels\Channel.cs:line 518
at Renci.SshNet.Channels.ChannelSession.Close(Boolean wait) in *\Renci.SshNet\Channels\ChannelSession.cs:line 106
at Renci.SshNet.Channels.Channel.Close() in *\Renci.SshNet\Channels\Channel.cs:line 223
at Renci.SshNet.Sftp.SubsystemSession.Disconnect() in *\Renci.SshNet\SubsystemSession.cs:line 106
at Renci.SshNet.SftpClient.OnDisconnecting() in *\Renci.SshNet\SftpClient.cs:line 1563
at Renci.SshNet.BaseClient.Disconnect() in *\Renci.SshNet\BaseClient.cs:line 130
at MichelinPortal._Default.SendFile(String filePath, String fileName) in *\Default.aspx.cs:line 394