The following bug has been logged online:

Bug reference: 1519
Logged by: Al Torres
Email address: al2torres (AT) yahoo (DOT) com
PostgreSQL version: 8.0
Operating system: Windows XP Pro
Description: server closed the connection unexpectedly
Details:

Need to know the cause...
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed

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