BUG #4771: Postgres wont start

The following bug has been logged online:

Bug reference:      4771
Logged by:          Christine Penner
Email address:      christinep@telus.net
PostgreSQL version: 8.3.7
Operating system:   Vista
Description:        Postgres wont start
Details:

I have had Postgres running and working on the computer for about a month. A
week ago I started and realized that the Postgres service was not started. I
started it and it worked fine. Today I started up and again Postgres has not
started. I have tried again and again to start it but it won't start. I have
restarted my computer 3 times, shut down programs running that may interfere
but still nothing.

I can't find a log file that will give me more info on why it won't start.