I looked at event viewer in both Application and System. Neither shows anything unusual around that time, just Volume Shadow Copy service stopping. -- View this message in context: http://postgresql.nabble.com/postgres-sometimes-returns-no-data-tp5873720p5873841.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general