Using SmartFTP with SSL

I have the Following Issue While connecting to the FTP server.
Connecting Using FTP over SSL(Implicit).The Windows Fire Wall also Off.
The Log file says:

[15:42:39] Resolving host name "192.168.0.25"
[15:42:39] Connecting to 192.168.0.25 Port: 990
[15:42:39] Connected to 192.168.0.25.
[15:42:39] Connected. Exchanging encryption keys...
[15:42:39] SSL/TLS client handshake failed (Error = 0x80090308).
[15:42:39] QUIT
[15:42:39] The system detected an invalid pointer address in attempting to use a pointer argument in a call.
[15:42:39] Connect failed. Waiting to retry (30s)...

Can anyone assist me with this problem.

Thanks:
Amila

Try FTPS Explicit.