--- In firebird-support@yahoogroups.com, Stefan Heymann <lists@...>
wrote:

>
> >> Does anybody have a clue what's going wrong here?
>
> > He uses ordinary client library instead of embedded engine.
>
> I can exclude that. As you can see in my list, fbembed.dll is in the
> application directory. My program finds this and uses it as the client
> library.
>

What is the message that occurs when some other application already has
a lock on this file?

Can you run systernals tools like ProcessMonitor (or Filemonitor) to
see what is happening between your process and the fbembed.dll at the OS
file level to rule these things out?