I am facing this problem while installing odoo 10 in windows. This error occurs while running odoo 10 in browser. I have seen log file and it gives an error:-

return application_unproxied(environ, start_response)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\service\wsgi_server.py", line 172, in application_unproxied
    result = handler(environ, start_response)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1308, in __call__
    return self.dispatch(environ, start_response)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1282, in __call__
    return self.app(environ, start_wrapped)
  File "werkzeug\wsgi.py", line 579, in __call__

  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1446, in dispatch
    self.setup_db(httprequest)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1368, in setup_db
    httprequest.session.db = db_monodb(httprequest)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1530, in db_monodb
    dbs = db_list(True, httprequest)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\http.py", line 1498, in db_list
    dbs = odoo.service.db.list_dbs(force)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\service\db.py", line 333, in list_dbs
    with closing(db.cursor()) as cr:
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\sql_db.py", line 635, in cursor
    return Cursor(self.__pool, self.dbname, self.dsn, serialized=serialized)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\sql_db.py", line 177, in __init__
    self._cnx = pool.borrow(dsn)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\sql_db.py", line 518, in _locked
    return fun(self, *args, **kwargs)
  File "C:\Program Files (x86)\Odoo 10.0\server\odoo\sql_db.py", line 586, in borrow
    **connection_info)
  File "psycopg2\__init__.py", line 164, in connect

OperationalError: could not connect to server: Connection refused (0x0000274D/10061)
    Is the server running on host "localhost" (::1) and accepting
    TCP/IP connections on port 5432?
could not connect to server: Connection refused (0x0000274D/10061)
    Is the server running on host "localhost" (127.0.0.1) and accepting
    TCP/IP connections on port 5432?

Can anyone help on this issue?