Hello everyone,

I am using wix 2.0 to install an Excell add-in. The structure of these
add-ins is such that they require adding stuff in the registry trees for
Excel under both LOCAL_MACHINE (for the generic configuration) and
CURRENT_USER (for the user-specific configuration). I can do this now
without problems with a CustomAction (and am in the process of switching
it to be deferred, to properly work under Vista), but just realized I am
only correctly handling the installation for ONE user in the machine
(the actual current user). I really would like to know what the proper
way is to handle the installation for ALL users in the machine:

      * Should I loop over all the existing users in the machine from my
        CustomAction, and apply the corresponding changes in the
        registry for each of them?
      * But then, if a user has never run Excel yet, the CURRENT_USER
        Excel sub-tree for that user will not have all of the correct
        keys and values. What to do in this case? I would rather not
        create the whole Excel tree by hand...
      * Even worse, what should I do for a user that is created AFTER I
        have installed the add-in in that machine? The software itself
        will be installed, but that new user will not be able to use it!


Is this the place for something a-la Internet Explorer, where I have
seen that, if a new user is created, the first time they log into the
machine a small window appears saying "Applying Internet Explorer
defaults" (or something to that effect)? If yes, how do you achieve this
with a wix 2.0 created package? Or is there another way of handling this
usecase?

Really curious and thankful for any hints,

-- 
Gonzalo Diethelm
[EMAIL PROTECTED]
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