No, the server never starts. As, I said; firewall disabled, secure essentials disabled, antivirus disabled I also made the following changes and retried postgresql.conf listen_addresses = '*' pg_hba.conf host all all 0.0.0.0/0 trust Same response being produced by pg_ctl LOG: incomplete startup packet LOG: could not receive data from client: No connection could be made because the target machine actively refused it. This seems to be a DEEP problem. Does any one in the WORLD run PostgreSQL on Windows 7 Professional 64 bit? -- View this message in context: http://postgresql.nabble.com/How-do-I-install-run-PostgreSQL-9-4-64-bit-on-Windows-7-Professional-tp5847018p5847572.html Sent from the PostgreSQL - admin mailing list archive at Nabble.com. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin