error with windows 2003

Greetings.
recently i downloaded the postgres version for windows, but after i installed it
in my server, i get the following error:
"server closed the connection unexpectedly
this probably means the server terminated abnormally before or while processing
the request"

can you help me to solve this problem?
is there any patch for windows 2003?

Thans for your time

Rafael J. Maldonado
Web Administrator

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