The following bug has been logged online:
Bug reference: 4588
Logged by: raghavendra
Email address: raghavendrak(at)integramicro(dot)com
PostgreSQL version: 8.3
Operating system: windows 2003 standard edition with sp2
Description: post gres installation problem
Details:
When we install postgres as a service with postgressql account it says user
not have a sufficient privilege to run as a service"
If not selected run as a service it will install first stage while second
stage it fails create database