When you attempt to create a report in Recon 3.6.0 with Postgresql 8.2 the report takes very long time to generate.
This is a known issue with Recon 3.6.0 and Postgresql 8.2
Perform an export of your database using the Import/Export snapshot feature
Uninstall Postgresql 8.2 and Recon 3.6.0 using add/remove
Download and reinstall Recon 3.6.1 with Postgresql 8.3
Import the snapshot into the new installation
Install SQL 2000/2005 as the database
Import the snapshot that was previous exported.
The reports should now generate normally.