[wix-users] Installer has insufficient privileges on re-install

Phil Wilson phil.wilson at mvps.org
Mon Aug 15 11:08:48 PDT 2016

Make a verbose log of the install to see where it fails. That directory is
accessible as Read and Execute to limited users as far as I can determine,
so some non-elevated code is probably tring to write/modify there. It
doesn't seem likely that Windows Installer itself cannot modify that
location, so I'd suspect a custom action (maybe an impersonated one that
therefore does not run elevated). 

Phil W  

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Brian Enderle
Sent: Monday, August 15, 2016 7:48 AM
To: WiX Users
Subject: [wix-users] Installer has insufficient privileges on re-install

I am running into an issue when I uninstall a product and then try to
re-install the same product.  First installation works correctly.  I then
uninstall the product.  On trying to re-install the product I am getting the
following error message:

The installer has insufficient privileges to access this directory:
C:\Temp.  The installation cannot continue.  Log on as administrator or
contact your system administrator.

The issue just started a couple days ago and rebooting the system 'fixes'
this issue (I can install the product after rebooting).  I haven't made any
significant changes to the installer other than adding a new step in the
installation process that asks if the Server or Client version of the
product should be installed.

I am looking for any guidance on what to look for in relation to this
problem.  It is the first time I have encountered this and not even sure
where to start looking.


If you can't explain it simply, you don't understand it well enough.  -
Albert Einstein

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