I have been wracking my brain on this for a day and a half. I am trying
to make an installer that will uninstall the older version of the
software and install the new. The old version is in the registry as 2.1
and the new one I am trying to install is 2.2.1
For the life of me, I cannot create an msi file that uninstalls the old
version and installs the new. I have worked through the tutorial linked
from wixtoolset.org, and have googled around the net looking for a
solution to this. It keeps coming back and telling me:
"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."
(I am using a Windows 2003 server instance as my development environment).
I have a wxs file that begins with:
<Product Name="SomeProduct Scanner $(var.VersionNo) Build
$(var.BuildVersion)" Id="$(var.ProductCode)"
UpgradeCode="$(var.UpgradeCode)"
Language="1033" Codepage="1252" Version="$(var.VersionNumber)"
Manufacturer="Some Business">
<Package Id="*" Keywords="Installer"
Description="SomeProduct $(var.VersionNumber) Build
$(var.BuildVersion) Installer"
Comments="SomeProduct is a registered trademark of Some Business"
Manufacturer="Some Business"
InstallerVersion="100" Languages="1033" Compressed="yes"
SummaryCodepage="1252" />
<Media Id="1" Cabinet="SomeProduct.cab" EmbedCab="yes" />
<Upgrade Id="$(var.UpgradeCode)">
<UpgradeVersion Property="OLD_VERSION_FOUND"
Minimum="0.0.0"
IncludeMinimum="yes"
Maximum="$(var.VersionNumber)"
IncludeMaximum="no"
OnlyDetect="no"
IgnoreRemoveFailure="yes"
MigrateFeatures="yes"
Language="1033" />
</Upgrade>
<InstallExecuteSequence>
<RemoveExistingProducts After="InstallInitialize" />
</InstallExecuteSequence>
--
Tim Hawes
Programmer
haw...@anx.com
Direct: 919-695-4282
Cell: 919-656-2135
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