The following bug has been logged online:

Bug reference: 1548
Logged by: Javier SolÃ*s
Email address: franciscojavier.solis@sainsel.abengoa.com
PostgreSQL version: 8.0.1
Operating system: Windows XP
Description: The installation fails
Details:

In the installation process, at "Installing..." "Initializing databuse
cluster (this may take a minute or two)..." I have the following message in
a window apart: "Failed to create process for initdb: "(follows in Spanish
as I have the Spanish version of Windows)" Error de inicio de sesión: no se
ha concedido al usuario este tipo de inicio de sesión en este equipo."

That paragraph means (more ore less): Error at the begining of the session:
the user hasn't got this type of session init in this computer.

Thank you
Best regards

---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match