The following bug has been logged on the website:
Bug reference: 8002
Logged by: carannante
Email address: Martine(dot)Carannante(at)bull(dot)net
PostgreSQL version: 8.4.0
Operating system: windows 2012
Description:
The installation on windows 2012 randomly failed. The pg_ctl process blocked
and after a timeout, the installation displays an error message (postgres
has insufficient privilèges to start/stop the service). The user postgres is
created by the installation of postgresql!!