Hi,
The message you get is when you do a minor upgrade (ProductCode is the same,
just version changes). In this case (minor upgrades), you have to launch your
msi from the command line with like this:
msiexec /i <your_setup>.msi REINSTALL=ALL REINSTALLMODE=vomus.
If you want to completely remove your product first, a major upgrade is what
you want. For this, change both product code and version for your new setup.
Also, add an Upgrade tag refering to your previous version (make sure you set
OnlyDetect to 'no' in there). You will probably want to schedule
'RemoveExistingProducts' custom action after 'InstallInitialize'.
Dacian
----- Original Message ----
From: Harm-Jan Zwinderman <[EMAIL PROTECTED]>
To: wix-users@lists.sourceforge.net
Sent: Thursday, June 14, 2007 3:24:27 PM
Subject: [WiX-users] How to automatically uninstall a Product in a WIX installer
Hi,
I did build a WIX msi installer to install our product.
However when I run this installer again I do get a message box with the text
'Another version of this product is already installed. Installation of
this version cannot continue. To configure or remove the existing
version of this product, use Add/Remove Programs on the Control Panel.'
What I would want to happen is that the installer first would deinstall
the product and then reinstalls it from the WIX msi installer.
I have been playing around with the tag RemoveExistingProducts however
that doesn't do the trick.
Is it possible to automatically uninstall in a WIX msi installer?
Best Regards,
Harm-Jan Zwinderman
--
Charm B.V.
Kruislaan 406
1098 SM Amsterdam
T +31 (0)20-751 2190
[EMAIL PROTECTED]
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