error to connect

. 2008-01-25 11:25:20.439 --------------------------------------------------------------------------
. 2008-01-25 11:25:20.439 WinSCP Version 4.0.6 (Build 358) (OS 5.1.2600 Service Pack 2)
. 2008-01-25 11:25:20.439 Login time: vendredi 25 janvier 2008 11:25:20
. 2008-01-25 11:25:20.439 --------------------------------------------------------------------------
. 2008-01-25 11:25:20.439 Session name: ansys@10.9.24.22
. 2008-01-25 11:25:20.439 Host name: 10.9.24.22 (Port: 22)
. 2008-01-25 11:25:20.439 User name: ansys (Password: Yes, Key file: No)
. 2008-01-25 11:25:20.439 Tunnel: No
. 2008-01-25 11:25:20.439 Transfer Protocol: SFTP (SCP)
. 2008-01-25 11:25:20.439 Ping type: -, Ping interval: 30 sec; Timeout: 15 sec
. 2008-01-25 11:25:20.439 Proxy: none
. 2008-01-25 11:25:20.439 SSH protocol version: 2; Compression: No
. 2008-01-25 11:25:20.439 Agent forwarding: No; TIS/CryptoCard: No; KI: Yes; GSSAPI: No
. 2008-01-25 11:25:20.439 Ciphers: aes,blowfish,3des,WARN,des; Ssh2DES: No
. 2008-01-25 11:25:20.439 SSH Bugs: -,-,-,-,-,-,-,-
. 2008-01-25 11:25:20.439 SFTP Bugs: -,-,-
. 2008-01-25 11:25:20.439 Return code variable: Autodetect; Lookup user groups: Yes
. 2008-01-25 11:25:20.439 Shell: default, EOL: 0
. 2008-01-25 11:25:20.439 Clear aliases: Yes, Unset nat.vars: Yes, Resolve symlinks: Yes
. 2008-01-25 11:25:20.439 Alias LS: No, Ign LS warn: Yes, Scp1 Comp: No
. 2008-01-25 11:25:20.439 Local directory: default, Remote directory: home, Update: No, Cache: Yes
. 2008-01-25 11:25:20.439 Cache directory changes: Yes, Permanent: Yes
. 2008-01-25 11:25:20.439 DST mode: 1
. 2008-01-25 11:25:20.439 --------------------------------------------------------------------------
. 2008-01-25 11:25:20.517 Looking up host "10.9.24.22"
. 2008-01-25 11:25:20.517 Connecting to 10.9.24.22 port 22
. 2008-01-25 11:25:20.642 Selecting events 63 for socket 496
. 2008-01-25 11:25:20.642 Waiting for the server to continue with the initialisation
. 2008-01-25 11:25:20.642 Looking for incoming data
. 2008-01-25 11:25:20.642 Looking for network events
. 2008-01-25 11:25:20.642 Detected network event
. 2008-01-25 11:25:20.642 Enumerating network events for socket 496
. 2008-01-25 11:25:20.642 Enumerated 18 network events making 18 cumulative events for socket 496
. 2008-01-25 11:25:20.642 Handling network write event on socket 496 with error 0
. 2008-01-25 11:25:20.642 Handling network connect event on socket 496 with error 0
. 2008-01-25 11:25:20.642 Looking for network events
. 2008-01-25 11:25:35.640 Timeout waiting for network events
. 2008-01-25 11:25:35.640 Waiting for data timed out, asking user what to do.
. 2008-01-25 11:25:35.640 Asking user:
. 2008-01-25 11:25:35.640 L''hôte n''a pas répondu pendant 15 secondes.
. 2008-01-25 11:25:35.640 
. 2008-01-25 11:25:35.640 Attendre de nouveau pendant 15 secondes ? ()
. 2008-01-25 11:25:36.140 Pooling for data in case they finally arrives
. 2008-01-25 11:25:36.140 Looking for network events