I have tested the firebird 2.1.1 classic and flamerobin 0.9 on an Windows7 system
The setup went this way Next Next Next without issues :
1.installed firebird 2.1.1 win32 kit and I choose classic (dual core system)
2.installed flamerobin 0.9 from download area (setup version)
here are the screen shots
Also i downloaded gimp and it installed Romanian version
and is quite difficult in native language :)
..:: FlameRobin ::..:: Firebird ::..