Problem starting an executable from SSH

[Jacques Guillou]

Hello,

I have some trouble using SSH to remotely start an executable on a
Windows XP which is running SSHD on Cygwin.
If I log into the windows machine using a simple "$ ssh
username@machine_name" command and then start the executable from the
BASH in interactive mode, then everything is fine, but I would
actually like to start the executable directly from the SSH
command-line with the following command:
$ echo "myExecutable" | ssh username@machine_name "bash -s"
The problem is that, in that case, my executable (a C/C++ compiler ".exe" file)
starts successfully but then reports a failure during the check of the
validity of the license.

So my questions:
 - What actually happens when I log with SSH into a Cygwin machine ?
What scripts are started after the authentication has succeeded ?
 - What could explain that the behavior of my executable is not the
same in both situations (started from interactive BASH session, or
started directly as input of "bash -s") ?

Thanks for your help
Best regards
Jacques

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