Make sure the old kit and new kit share same UpgradeCode.
And upgrade table is set properly
<Upgrade Id="YOU-GUID">
<UpgradeVersion Minimum="X.X.X" Maximum="X.x.x"
IgnoreRemoveFailure="no" IncludeMinimum="yes" IncludeMaximum="yes"
Property="PROPNAME" />
</Upgrade>
Nimisha Saboo-2 wrote:
>
> Hi,
>
> I have a Wix project, which currently allows multiple installs of my
> application,
> although I have done nothing to enable this.
> What this means is: I install my application, and then again click on the
> msi.
> Ideally, it should start an uninstall of my application, but currently it
> starts another install.
>
> Any idea, what do I need to set in order to get this done?
>
> Thanks in advance,
> Nimisha
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