>Hi all
>
>I have created an VSI/MSI installable which contains my required OCX's and TLB's. In the VSI I have specified all of these to be self registering files. Yet these OCX's don't work in my app (tried installing / reinstalling a few times)
>
>I used InnoSetup and added these same file with respective flags and they registered perfectly the first time round.
>
>Why does such a situation arise? I have a similar problem with MS-TreeView VSI won't set it up, got to try it again (previously unsuccessful) with InnoSetup.
>
>Please advise.

AFAIK, VSI/MSI creates installation log. Did you look into it for some clues?