Thomas Steinmaurer schrieb am 04.11.2010 um 20:03 (+0100):

> > I work with both Firebird 1.5 and 2.1. […] Firebird isnt returning
> > the error messages and exceptions, instead, it returns "@1 @1 @1".
> > […] newer Windows versions, like Windows 7, but this week […]
> > Windows XP.
>
> A mismatched client installation especially a wrong firebird.msg file,
> which does not match the server version.

Take a look at the value "DefaultInstance" under the registry key
"HKLM\SOFTWARE\Firebird Project\Firebird Server\Instances". Rename
that key and see if the problem persists.

http://www.destructor.de/firebird/multiinstance.htm

--
Michael Ludwig