>>>I built an installer which installs an aplication using a treeview control. When the installed application runs I get the following error "OLE Error Code 0x80040154 Class not registered OLE object being ignored Record 816" The resultant application is missing the treeview control.
>>>
>>>I assume that I have to add an active x control in the installer objects/merge modules list but, am not sure how to find which one to select
>>
>>See Message #597082.
>
>Thank you for the information. When I reviewed the installer, I found that I had included the MSVCR70.MSM module. I rebuilt it and tried again. the module is included, the treeview is missing and I get the same error message -- so it is something else. Is there anything in the error message itself which could point to the. I have not been able to find an explanation of the error code or the source of Record 816. Do any of these point to logs?

Did you include mscomctl.msm as mentioned in the message I pointed you to?