Question : Problem: Ghost walker

during ghostwalking process I receive message " Unable to load Shared security descriptor",and process stopped.I was asked to hit any key,after I did it,ghostwalking process continued and SID was changed

Answer : Problem: Ghost walker

This could be related:
http://support.microsoft.com/default.aspx?scid=kb;en-us;831374
(even though it states the issue for Windows Server 2003)