>> Just read Release Notes and install Firebird client using installer or
>> install
>> msvc80 run-time libraries by yourself.
>
> I searched 2.1 release notes again and didn't find any mention about
> that. Did i miss it?

Look at Firebird-2.1-Installation.pdf on page 18 :

Other Pre-installation Issues

Installation of Microsoft system libraries

> I think this is a important issue and maybe you should mention in the
> download page or near it, if you don't want to have to answer this
> same question once a day, until MS decide to deploy msvc8 runtime
> libraries in some windows update.

Maybe we should ;)

Regards,
Vlad