BUG #6357: cant download

The following bug has been logged on the website:

Bug reference:      6357
Logged by:          Stephane
Email address:      stef.couston@gmail.com
PostgreSQL version: 9.1.2
Operating system:   Mac OS X 10.6.8
Description:=20=20=20=20=20=20=20=20

Hello

I didn't manage to download your product, and it is written this=20


Unable to create PostgreSQL database: PT3 DB
Reason: Unable to login to database (template1). Reason: could not connect
to server: No such file or directory Is the server running locally and
accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"?=20

And I do't know what I can do to resolve that.=20

Regards