Do you have any antivirus running on your system? if so, try disabling that.
From: Shoaib Mir [mailto:shoaibmir(at)gmail(dot)com]
Sent: Monday, July 31, 2006 11:58 AM
To: Benjamin Krajmalnik
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] PostgreSQL hanging
This problem can occur if some other process is holding a lock on that specific file and so as a result not able to rename the file.
Thanks,
--
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)