Some further research after looking at some logs : when I install the .msi via 
"msiexec /I msiFileName.msi", CLIENTUILEVEL=0, which I guess is full UI.  When 
uninstalling via the command line below, CLIENTUILEVEL=2 and UILevel=3 
(INSTALLUILEVEL_BASIC).

So I guess my question is how to get burn to use a different CLIENTUILEVEL for 
installation vs. uninstallation ?

From: YANG,ROBERT
Sent: Thursday, March 22, 2012 8:51 AM
To: 'wix-users@lists.sourceforge.net'
Subject: Burn: uninstalling an MSI

Hi all -- I've been tinkering with Wix 3.6 (build 2719), and set up a test 
bundle which installs a .msi package.  I wanted the msi's user interface to be 
displayed, so I specified DisplayInternalUI="yes" in MsiPackage.  This all 
seems to work fine for installation.

On uninstallation I wanted to disable change/modify, so I specified 
DisableModify="yes" in the bundle.  When I go to uninstall the bundle, rather 
unexpectedly I see the Resume dialog.  The .msi uses the stock version found in 
Mondo, which apparently is shown on condition "Installed AND (RESUME OR 
Preselected)".

The Resume dialog is not shown if I simply run "msiexec /x msiFileName.msi" or 
do an uninstall of the MSI from Add/Remove Programs.  Is there something else I 
should be doing ?  It would be fine to run the uninstall silently, but we need 
to have the UI shown on installation.

Thanks for any advice or pointers !
-Rob

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