>I have an existing app at a client’s site. I added a new form that uses the treeview control.
>
>I followed the steps on article Q14621 “Register an ActiveX Control (.ocx) Manually”.
>
>I copied comctl32.ocx, comctl32.dep and regsvr32.exe into the windows\system directory.
>
>I registered the ocx using regsvr32.exe and received the message that it succeeded.
>
>On one machine running win95 when I launch the form with the ocx on it I still get the ocx is not registered message, but on the other machines it runs fine.
>

You must register the control on each machine that uses it.

>I have found that the files mfc30.dll, mfc40.dll, olepro32.dll, msvcrt40.dll and msvcrt20.dll are in the registry on the machine that runs fine.
>
>Is this part of the problem?

The support files must be installed in the proper directories on each system, and where applicable, registered as well before the OCX that requires them can be registered.

>What am I missing?