How Can i make Windows Security Window In credential Provider

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C++

Win32

Hi,
I am trying to Create Windows Security Window in my Credential Provider when Password does not match in Case of Change Password,In GetSerialization function
but its going to crash after 1 or 2 second ,
i tried
*pcpsiOptionalStatusIcon = CPSI_ERROR;
*ppwszOptionalStatusText = L"The passwords you entered did not match.";
*pcpgsr = CPGSR_NO_CREDENTIAL_FINISHED;
as i got in blog http://social.msdn.microsoft.com/Forums/en-US/windowssecurity/thread/9eb718a1-2e11-46f0-a1bb-964ccf810d47
There are also showing same problem but i didn't get any solution on this blog
Please if any one knows tell me ..
thanks in advance........