I'm very new to Wix and MSI installers in general, so forgive me if this is an obvious question.  I have the need to launch an external installer before finalizing the install of my application.  My reason for launch the external installer before my application finalizes is because I would like to rollback all the changes that my installer made upon the external installer's failure.  I have it working, for the moment with a custom action that just runs the installer that I have included as a binary element.  I've even added ProgressText to the action so that the user gets to see what is happening.  My problem is that the external installer doesn't advance the progress bar at all, leaving it at 0% until it finishes.  I'm hoping that there is a way to associate the custom action that I made with the progress bar in a similar fashion as I did the ProgressText.  I know that I can use a DLL to do the work for me, but that seems a bit overkill for my needs.  All I want is to move the progress bar to 5% or so before executing the external installer.

Thank you so much for any responses!

--
Dustin Johnson
CACE Technologies
Tel: 530-758-2790 x109
Fax: 530-758-2781
www.cacetech.com

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