Your second try is almost correct. You need to add the following to your
code however:
<InstallExecuteSequence>
<RemoveExistingProducts After="InstallInitialize" />
</InstallExecuteSequence>
Otherwise, as you've noticed, the existing version is not uninstalled
before the new one is installed.
Palbinder Sandher
Software Deployment and IT Administrator
T: +44 (0) 141 945 8500
F: +44 (0) 141 945 8501
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-----Original Message-----
From: Libor [mailto:[EMAIL PROTECTED]
Sent: 21 October 2008 01:08
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] How to upgrade?
Hi guys,
I am quite new into the msi business, and I can't figure this out:
I have two versions of my project, and of course I want to remove the
previous version when a new version is installed. I used wix for my old
version:
<Wix xmlns="http://schemas.microsoft.com/wix/2003/01/wi";>
<Product Name="MyProduct" Id="40DC057B-BAA7-481A-A5CD-8E1D87A44271"
Language="1033" Codepage="1252" Version="1.0.31" Manufacturer="MyCompany
Inc." UpgradeCode="949DD706-5899-4552-81B8-243747DB6AB8">
<Package Id="????????-????-????-????-????????????"
Keywords="A,B,C,Installer" Description="MyProduct 1.0 Installer"
Comments="Bla blah" Manufacturer=" MyCompany Inc."
InstallerVersion="200"
Languages="1033" Compressed="yes" SummaryCodepage="1252" />
<Media Id="1" Cabinet="Main.cab" EmbedCab="yes" DiskPrompt="CD-ROM
#1"
/>
.
<Upgrade Id="949DD706-5899-4552-81B8-243747DB6AB8">
<UpgradeVersion Maximum="1.0.31" Minimum="1.0.0.0"
Property="PREVIOUSVERSIONSINSTALLED" IncludeMinimum="yes"
OnlyDetect="no"
IncludeMaximum="no" />
<UpgradeVersion IncludeMinimum="yes" Minimum="1.0.31"
OnlyDetect="yes"
Property="NEWPRODUCTFOUND" />
</Upgrade>
</Product>
</Wix>
For the new version, I modified the wxs file just by increasing the
version numbers in Product and both UpgradeVersion tags. But the new
installer says "Another version of this product is already installed.
Installation of this version cannot continue."
I also tried to change the Product ID; in that case the new installer
did install, but did not remove the previous version, so my Control
Panel showed two instances of the program, and to remove it I needed to
uninstall twice.
What am I missing? There must be some easy way to do the obvious -
install a new version over the old one.
Thanks for any hint,
Libor
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