Software Deployment

Hi

I am trying to create a MST for Acrobat Reader 7.0.7, so the self repair works properly.
With default install, the self repair is terrible.

I have created an initial MST using the tuner program.
Then i used Wise Installer to modify the MST further.
I managed to get the self repair to work by launching the desktop shortcut.
However, i cannot get the self-repair to work, when you double click on a .PDF file.
It seems the .pdf extension is not advertised.
Has anyone out there managed to get the self-repair to work, when launching a PDF file?

Thanks heaps!!
Kory