> The machine uses a Windows 2003 Server (probably without any SP) with
> FB 2.1.1, and i have reinstalled FB many times and restarted the
> server, i checked icu files are there, msvc*80.dll are there, and the
> manifest file is there also.
>
> I can restore this database in a linux machine without problems.
>
> What can be the cause of this error?

Incorrect installatin of msvc8 runtime. *Remove* msvc_80.dll's and manifest
from the firebird's folders and *install* msvc8 runtime.

Regards,
Vlad