I posted this a while back but got no useful responses. I have the following error message: "Error connecting to the server: server closed the connection unexpectedly. This probably means that the server terminated abnormally before or while processing the request." It happens intermittently both when using pgAdminIII and when using QT so it is not a pgAdminIII issue. Often the connection seems to succeed but you get a series of error messages like the one above when attempting to open a database. It seems to be a timing issue. This is happening when using a local connection on vista, irrespective of whether the antivirus is on or off. I can't see anything to change in postgresql.conf that could alleviate this problem. This does not happen with postgresql-8.3.5 but does happen with postgresql-8.3.7. This is happening on two different machines (both Vista SP2) running different antivirus programs so I suspect there has been some change to postgres that has triggered this problem. Postgres has become unuseable on these machines. Thanks for may help Andrew -- ___________________________________________ Andrew J. P. Maclean Centre for Autonomous Systems The Rose Street Building J04 The University of Sydney 2006 NSW AUSTRALIA Ph: +61 2 9351 3283 Fax: +61 2 9351 7474 URL: http://www.acfr.usyd.edu.au/ ___________________________________________ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general