From the error info,
You might be able to try disable UAC. Then run the command in administrator mode.
------------------ Original ------------------
From: "henrique.assessoria"<henrique.assessoria@hotmail.com>;
Date: Fri, Oct 19, 2012 03:13 AM
To: "pgsql-bugs"<pgsql-bugs@postgresql.org>;
Subject: [BUGS] BUG #7613: INTIDB
The following bug has been logged on the website:
Bug reference: 7613
Logged by: Henrique Silva
Email address: henrique.assessoria@hotmail.com
PostgreSQL version: 8.3.20
Operating system: Windows Seven
Description:
"Falha ao executar o Initdb.1!"
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