> after having installed FireBird 1.5, an application written in Delphi
> doesn't work, with this error 'Unknow database'.
> Where can I find the driver?
> Thanks in advance for any help

As Helen mentioned, there can be a lot of reasons, though what
OS platform and Firebird 1.5 architecture are you using?

If you are "accidently" using Classic, then you have to make
sure that you are using a remote connection, even if it is a
"local" connection.


HTH,
Thomas Steinmaurer

The IB LogManager Product Family
Logging/Auditing Suite for InterBase and Firebird
http://www.iblogmanager.com