Re: Error simple scripting Authentication failed. Winscp Version 5.8.2 (Build 6284)
Don't you have some special character in the password?
https://winscp.net/eng/docs/session_url#special
You can also try to enable password logging with
https://winscp.net/eng/docs/session_url#special
You can also try to enable password logging with
/loglevel=*
to see if a correct password is used.