by kraada » Fri Jun 04, 2010 9:35 am
It's the 8.4 that changes things - things are done a little differently there.
Click Start --> My Computer --> C: --> Program Files --> PostgreSQL --> 8.4 --> data and the postgresql.conf file should be there. Open it with notepad or wordpad, whichever you prefer. (Note: If you're using a 64 bit machine it may be Program Files (x86) not just regular Program Files.)