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我选择的安装程序是openerp-allinone-setup-6.1-latest

操作系统windows xp
错误提示如下，该如何解决?

Your version of OpenERP is unsupported. Support & maintenance services are available here: OpenERP Entreprise.
OpenERP Server Error
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Client Traceback (most recent call last):
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server\openerp\addons\web\common\http.py", line 180, in dispatch
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server\openerp\addons\web\controllers\main.py", line 353, in get_list
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server\openerp\addons\web\common\openerplib\main.py", line 117, in proxy
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server\openerp\addons\web\common\http.py", line 611, in send


Server Traceback (most recent call last):
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server\openerp\addons\web\common\http.py", line 592, in send
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\netsvc.py", line 360, in dispatch_rpc
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\service\web_services.py", line 117, in dispatch
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\service\web_services.py", line 323, in exp_list
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\sql_db.py", line 465, in cursor
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\sql_db.py", line 173, in init
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\sql_db.py", line 366, in _locked
  File "d:\Program Files\OpenERP 6.1-20120723-233412\Server\server.\openerp\sql_db.py", line 421, in borrow
OperationalError: could not connect to server: Connection refused (0x0000274D/10061)
Is the server running on host "localhost" and accepting
TCP/IP connections on port 5432?