PostgreSQL version: 8.2.4
pgAdmin version:1.8.0 beta2
Operating system: Windows XP SP2
Details:
1. connect to the server. in treeview open one schema (etc ,public)
2. select server and executing "properties"
3. turn Restore env option on and click Ok button to save properties
4. close pgadmin
5. start pgadmin and connect to the server. and then public schema
will be selected and opened.
6. right click public schema. "Backup server ..." will display in
PopMenu.
7. click Backup server ... then a fatal error has occurred


I do this many times and a fatal error still be occurred.