> > Install MSVC8 run-time libraries with your application.
> > Copying is not enough. Just install it.
>
> ok, fine. I have just downloaded vcredist_x86.exe Italian from Microsoft site and this led me to another question:
>
> Should I stop to distribute the following files...
>
> msvcp80.dll
> msvcr80.dll
> Microsoft.VC80.CRT.manifest
>
> ...in the same folder of the executable (I'm using FB 2.1.x embedded) and rely only on the above installation?

Yes, you don't need private copy of it.

Regards,
Vlad