I see my mistake.  I had mistakenly scheduled the CA after InstallFinalize.

BTW, are there any suggested ways of detecting that a CA has failed and
showing a nice error message to the user instead of 'Error xxxx:  a program
has failed to complete' type of message?

On 8/21/07, Bob Arnson <[EMAIL PROTECTED]> wrote:
>
> Reggie Burnett wrote:
> > That explains it.  However, it's still contradictory to users when the
> > installer clearly tells them that no changes have been made to their
> > system and that is a lie.  :)
>
> It's true as long as you don't run custom actions after the install's
> finished. MSI will undo what it does -- including removing assemblies
> from the GAC, if there's a failure there -- but it can't undo your
> custom actions for you. CAs after InstallFinalize can't be elevated, so
> they shouldn't be doing anything that modifies the system.
>
> --
> sig://boB
> http://joyofsetup.com/
>
>
>
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