FTP Winscp.com

Hello

IF I RUN WINSCP.EXE WITH SEVE.DDNS.NET AND OPEN GOOD !!!

IF I RUN WITH WINSCP.COM... OPEN FTP://SEVE.DDNS.NET SAYS "DOES NOT EXIST" !!!

WHAT CAN I DO?

THANKS

Attach a log file for both sessions.