Parece que este é o problema e a resolução :
It appears
/usr/lib/libpq.5.dylibdoes not exist but/usr/lib/libpq.5.3.dylibdoes.Fix by creating a symbolic link from
/usr/lib/libpq.5.3.dylibto/usr/lib/libpq.5.dylib:sudo ln -s /usr/lib/libpq.5.3.dylib /usr/lib/libpq.5.dylibGoing back to System Preferences -> Internet and Wireless -> Sharing clicking Web
Sharing a couple of times turns Web Sharing on successfully!
Going to
http://localhost/displays the "It Works!" page.— Azattis - OS X Lion PostgreSQL 8.4 Installation Problem