How do you avoid this error when attempting to run code in 2000 ie how to find DLL entry points

Error 452 - "Can't find DLL Entry point 84 in msaccess.exe"
(from OfficeVBA.com - Deconstructing QueryDef - Part III)
' =========================================
' QueryInfo class module
' written by Ken Getz
' for Microsoft Office Developer/Informant
' Part 3 (the somewhat complete version)
' =========================================

Private Declare Function IsValidIdentifier _
Lib "msaccess.exe" Alias "#84" _
(ByVal strIdentCand As String) As Boolean

Anyone able to help