BUG #12129: questions on exporting data from a database

The following bug has been logged on the website:

Bug reference:      12129
Logged by:          Rohit Seshadri
Email address:      rseshadr@uncc.edu
PostgreSQL version: Unsupported/Unknown
Operating system:   Windows 7
Description:

Hi,
I am trying to extract the data from a database and this is the error that I
get. It says that i have to enter a password but I don't know where to enter
the password. It would be very helpful if you could walk me through the
correct process to export the data from a database.

C:\Program Files (x86)\pgAdmin III\1.18\pg_dump.exe --host 172.29.131.1
--port 5432 --username "waverly" --no-password  --format tar --verbose
--file "C:\Users\Niner\Documents\RTAC 3505 BACKUP.backup" "3530"