Also, check your Apache config and make sure

Options +ExecCGI
[download]

is turned on for your cgi-bin directory (while you're at it, make sure you have a Directory or Location entry for your cgi-bin directory!)

And make sure that Apache has mod_cgi support compiled in (or that its available as a dll) -- this last is unlikely to be the problem if you got a precompiled binary.

Philosophy can be made out of anything. Or less -- Jerry A. Fodor