server intialization failed

[Mohsin Khan]

==== When i start localhost:8069 then i am getting this errors please help me....

OpenERP Server Error

Client Traceback (most recent call last):
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\http.py", line 203, in dispatch
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\controllers\main.py", line 747, in get_list
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\controllers\main.py", line 89, in db_list
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\session.py", line 31, in proxy_method
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\session.py", line 104, in send

Server Traceback (most recent call last):
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\openerp\addons\web\session.py", line 90, in send
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\netsvc.py", line 293, in dispatch_rpc
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\service\web_services.py", line 122, in dispatch
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\service\web_services.py", line 359, in exp_list
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\sql_db.py", line 484, in cursor
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\sql_db.py", line 182, in __init__
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\sql_db.py", line 377, in _locked
  File "C:\Program Files (x86)\OpenERP 7.0-20130319-002358\Server\server\.\openerp\sql_db.py", line 440, in borrow
  File "psycopg2\__init__.pyc", line 178, 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?
received invalid response to SSL negotiation: -