Pretty sure OpenKeyReadOnly works on W2K. You can also set the Access property to KEY_READ before using OpenKey. On 5/8/06, Paul McKenzie <paul at smss.org.nz> wrote: > You are right about being dated ... That original e-mail was from 28/03/2003 :-) > But does that matter much if you are doing Win32 development and need compatibility with W2K.