Wenca,

W> Reason: bad parameters on attach or create database
W> CHARACTER SET WIN1250 is not defined

W> I put all the files from the distribution to the dir with my app as
W> described in doc/README_embedded.txt but nothing helps.

do you actually have a intl directory in your app's dir, containing
fbintl.dll? It works here. You might need to add a firebird.conf file
and/or set the FIREBIRD environment variable. It looks like the engine
can't find its home.

Ciao
--
Nando Dessena
http://www.flamerobin.org
======================================================
I support Firebird, I am a Firebird Foundation member!
Join today at http://www.firebirdsql.org/ff/foundation
======================================================