Unable to Login into a Windows FTPsite

I am not able to login into one Windows FTP site using smartFTP, I am able to login into the same FTP site with the Same user ID and passowrd from another PC.

From the PC it is not able to connect, I am able to connect using CUteFTP.I ahve the logs.
1. Good Connection : [12:47:26] SmartFTP v3.0.1022.21
[12:47:27] Resolving host name "158.81.26.143"
[12:47:27] Connecting to 158.81.26.143 Port: 21
[12:47:27] Connected to 158.81.26.143.
[12:47:27] 220-ecdcxftpms01 X2 WS_FTP Server 7.0(49607901)
[12:47:27] CenterPoint Energy
[12:47:27] 220 ecdcxftpms01 X2 WS_FTP Server 7.0(49607901)
[12:47:27] AUTH TLS
[12:47:27] 234 SSL enabled and waiting for negotiation
[12:47:27] Connected. Exchanging encryption keys...
[12:47:27] Session Cipher: 128 bit RC4
[12:47:27] TLS encrypted session established.
[12:47:27] PBSZ 0
[12:47:27] 200 PBSZ=0
[12:47:27] USER tmhftp
[12:47:27] 331 Enter password
[12:47:27] PASS (hidden)
[12:47:27] 230-User logged in
[12:47:27] This site is for authorized use only. Any unauthorized, criminal or malicious activity will be prosecuted to the full extent of the law.
[12:47:27] 230 User logged in
[12:47:27] SYST
[12:47:28] 215 UNIX
[12:47:28] Detected Server Type: UNIX
[12:47:28] FEAT
[12:47:28] 211-Extensions supported
[12:47:28] SIZE
[12:47:28] XMD5
[12:47:28] XSHA1
[12:47:28] XSHA256
[12:47:28] XSHA512
[12:47:28] XQUOTA
[12:47:28] LANG EN, ES, FR, GE
[12:47:28] MDTM
[12:47:28] MLST size*;type*;perm*;create*;modify*;
[12:47:28] REST STREAM
[12:47:28] TVFS
[12:47:28] UTF8
[12:47:28] AUTH SSL;TLS-P;
[12:47:28] PBSZ
[12:47:28] PROT C;P;
[12:47:28] 211 end
[12:47:28] Detected Server Software: WS_FTP Server
[12:47:28] OPTS UTF8 ON
[12:47:28] 200 Command OPTS succeed
[12:47:28] PWD
[12:47:28] 257 "/tmhftp" is current directory


2.Bad Connection : [13:08:37] SmartFTP v3.0.1023.4
[13:08:38] Resolving host name "158.81.26.143"
[13:08:38] Connecting to 158.81.26.143 Port: 21
[13:08:38] Connected to 158.81.26.143.
[13:08:38] Server closed connection
[13:08:38] Connect failed. Waiting to retry (30s)...
[13:09:08] Connection attempt 2...
[13:09:08] Resolving host name "158.81.26.143"
[13:09:08] Connecting to 158.81.26.143 Port: 21
[13:09:08] Connected to 158.81.26.143.
[13:09:08] Server closed connection
[13:09:08] Connect failed. Waiting to retry (30s)...
[13:09:38] Connection attempt 3...
[13:09:38] Resolving host name "158.81.26.143"
[13:09:38] Connecting to 158.81.26.143 Port: 21
[13:09:38] Connected to 158.81.26.143.
[13:09:38] Server closed connection
[13:09:38] Connect failed. Waiting to retry (30s)...
[13:10:08] Connection attempt 4...
[13:10:08] Resolving host name "158.81.26.143"
[13:10:08] Connecting to 158.81.26.143 Port: 21
[13:10:08] Connected to 158.81.26.143.
[13:10:08] Server closed connection
[13:10:08] Connect failed. Waiting to retry (30s)...
[13:10:38] Connection attempt 5...
[13:10:38] Resolving host name "158.81.26.143"
[13:10:38] Connecting to 158.81.26.143 Port: 21
[13:10:45] Connected to 158.81.26.143.
[13:10:45] Server closed connection
[13:10:45] Connect failed. Waiting to retry (30s)...
[13:11:15] Connection attempt 6...
[13:11:15] Resolving host name "158.81.26.143"
[13:11:15] Connecting to 158.81.26.143 Port: 21
[13:11:15] Connected to 158.81.26.143.
[13:11:15] Server closed connection
[13:11:15] Connect failed. Waiting to retry (30s)...
[13:11:45] Connection attempt 7...
[13:11:45] Resolving host name "158.81.26.143"
[13:11:45] Connecting to 158.81.26.143 Port: 21
[13:11:45] Connected to 158.81.26.143.
[13:11:45] Server closed connection
[13:11:45] Connect failed. Waiting to retry (30s)...
[13:12:15] Connection attempt 8...
[13:12:15] Resolving host name "158.81.26.143"
[13:12:15] Connecting to 158.81.26.143 Port: 21
[13:12:15] Connected to 158.81.26.143.
[13:12:15] Server closed connection
[13:12:15] Connect failed. Waiting to retry (30s)...
[13:12:45] Connection attempt 9...
[13:12:45] Resolving host name "158.81.26.143"
[13:12:45] Connecting to 158.81.26.143 Port: 21
[13:12:45] Connected to 158.81.26.143.
[13:12:45] Server closed connection
[13:12:45] Connect failed. Waiting to retry (30s)...
[13:13:15] Connection attempt 10...
[13:13:15] Resolving host name "158.81.26.143"
[13:13:15] Connecting to 158.81.26.143 Port: 21
[13:13:15] Connected to 158.81.26.143.
[13:13:15] Server closed connection
[13:13:15] Connect failed. Waiting to retry (30s)...
[13:13:45] Connection attempt 11...
[13:13:45] Resolving host name "158.81.26.143"
[13:13:45] Connecting to 158.81.26.143 Port: 21
[13:13:45] Connected to 158.81.26.143.
[13:13:45] Server closed connection
[13:13:45] Connect failed. Waiting to retry (30s)...
[13:14:15] Connection attempt 12...
[13:14:15] Resolving host name "158.81.26.143"
[13:14:15] Connecting to 158.81.26.143 Port: 21
[13:14:15] Connected to 158.81.26.143.
[13:14:15] Server closed connection
[13:14:15] Connect failed. Waiting to retry (30s)...
[13:14:45] Connection attempt 13...
[13:14:45] Resolving host name "158.81.26.143"
[13:14:45] Connecting to 158.81.26.143 Port: 21
[13:14:45] Connected to 158.81.26.143.
[13:14:45] Server closed connection
[13:14:45] Connect failed. Waiting to retry (30s)...
[13:15:15] Connection attempt 14...
[13:15:15] Resolving host name "158.81.26.143"
[13:15:15] Connecting to 158.81.26.143 Port: 21
[13:15:15] Connected to 158.81.26.143.
[13:15:15] Server closed connection
[13:15:15] Connect failed. Waiting to retry (30s)...
[13:15:45] Connection attempt 15...
[13:15:46] Resolving host name "158.81.26.143"
[13:15:46] Connecting to 158.81.26.143 Port: 21
[13:15:46] Connected to 158.81.26.143.
[13:15:46] Server closed connection
[13:15:46] Connect failed. Waiting to retry (30s)...
[13:16:16] Connection attempt 16...
[13:16:16] Resolving host name "158.81.26.143"
[13:16:16] Connecting to 158.81.26.143 Port: 21
[13:16:16] Connected to 158.81.26.143.
[13:16:16] Server closed connection
[13:16:16] Connect failed. Waiting to retry (30s)...
[13:16:46] Connection attempt 17...
[13:16:46] Resolving host name "158.81.26.143"
[13:16:46] Connecting to 158.81.26.143 Port: 21
[13:16:46] Connected to 158.81.26.143.
[13:16:46] Server closed connection
[13:16:46] Connect failed. Waiting to retry (30s)...
[13:17:16] Connection attempt 18...
[13:17:16] Resolving host name "158.81.26.143"
[13:17:16] Connecting to 158.81.26.143 Port: 21
[13:17:16] Connected to 158.81.26.143.
[13:17:16] Server closed connection
[13:17:16] Connect failed. Waiting to retry (30s)...
[13:17:46] Connection attempt 19...
[13:17:46] Resolving host name "158.81.26.143"
[13:17:46] Connecting to 158.81.26.143 Port: 21
[13:17:46] Connected to 158.81.26.143.
[13:17:46] Server closed connection
[13:17:46] Connect failed. Waiting to retry (30s)...
[13:18:16] Connection attempt 20...
[13:18:16] Resolving host name "158.81.26.143"
[13:18:16] Connecting to 158.81.26.143 Port: 21
[13:18:16] Connected to 158.81.26.143.
[13:18:16] Server closed connection
[13:18:16] Connect failed. Waiting to retry (30s)...

Maybe your software firewall or antivirus product blocks SmartFTP from making a connection. Add SmartFTP to the exceptions in your software firewall product. Also install the latest version of SmartFTP from here:
https://www.smartftp.com/download