http://codehq.net/cs/blogs/john/archive/2005/11/28/workaround-for-bug-in-formatmessage-api.aspxThe FormatMessage API appears to have a bug that causes its behaviour to not match its documentation. This occurs when the specified module does not have a MESSAGETABLE resource and both the FORMAT_MESSAGE_FROM_HMODULE and FORMAT_MESSAGE_FROM_SYSTEM flagsenCommunityServer 2.1 SP2 (Build: 61129.2)