RHN에서 말이죠... 맨날 뜨는 에러를 어떻게..

RHN에 등록을 하려고 마지막단계까지 와서 다음을누르면 하는 소리가 ㅡ
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> Problem registering username. 라고 뜨고요 --
>
> 또 RHN에서 동그란게 자동 체킹
(그..머냐.. 적색경보같은거 해주는 동그란버튼가튼거요 ㅡㅡ;;; )해줄때 또 메세지가 뜨는데.. 하는소리가 ㅡ
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> Exception type SSL.Error
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> Exception Handler Information
> Traceback (most recent call last):
> File "/usr/bin/../share/rhn/rhn_applet/rhn_applet.py", line 448, in refresh
> self.model.refresh(force)
> File "/usr/bin/../share/rhn/rhn_applet/rhn_applet_model.py", line 264, in refresh
> self.__rpc_server__.refresh(force)
> File "/usr/bin/../share/rhn/rhn_applet/rhn_applet_rpc.py", line 84, in refresh
> status = server.applet.poll_status()
> File "/usr/lib/python2.2/xmlrpclib.py", line 821, in __call__
> return self.__send(self.__name, args)
> File "/usr/lib/python2.2/site-packages/rhn/rpclib.py", line 126, in _request
> verbose=self._verbose
> File "/usr/lib/python2.2/site-packages/rhn/transports.py", line 130, in request
> headers, fd = req.send_http(host, handler)
> File "/usr/lib/python2.2/site-packages/rhn/transports.py", line 614, in send_http
> headers=self.headers)
> File "/usr/lib/python2.2/httplib.py", line 701, in request
> self._send_request(method, url, body, headers)
> File "/usr/lib/python2.2/httplib.py", line 723, in _send_request
> self.endheaders()
> File "/usr/lib/python2.2/httplib.py", line 695, in endheaders
> self._send_output()
> File "/usr/lib/python2.2/httplib.py", line 581, in _send_output
> self.send(msg)
> File "/usr/lib/python2.2/httplib.py", line 560, in send
> self.sock.sendall(str)
> File "/usr/lib/python2.2/site-packages/rhn/SSL.py", line 191, in write
> sent = self._connection.send(data)
> Error: [('SSL routines', 'SSL3_GET_SERVER_CERTIFICATE', 'certificate verify failed')]
>
>
> 이거랍디다 ㅡ;;;
>
> 이건 도데체 어떻게 해결해야하나요?? ㅡㅡ;;