Nobody can know if your upgrade will work because it depends on the
changes made to a set of properties between old and new MSI files. The
UpgradeCode must be the same, ProductCode must have changed,
PackageCode too (but WiX does that by default  I think) and the
ProductVersion must be incremented somewhere in the first three
fields. In addition a perMachine will not upgrade a perUser product.
---------------
Phil Wilson


On Thu, Sep 25, 2014 at 8:33 AM, newuser2014 <wamplersovere...@gmail.com> wrote:
> I have the following:
>
> <Product Id="8DCE7F2A-3F35-4C16-8241-906829AA9F86" Name="!(loc.ProductName)"
> Language="1033" Version="$(var.VersionNumber)"
> Manufacturer="!(loc.ManufacturerName)" UpgradeCode="$(var.UpgradeCode)">
>                 <Package InstallerVersion="200" Compressed="yes" 
> InstallScope="perMachine"
> />
>     <Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />
>     <Upgrade Id="$(var.UpgradeCode)">
>       <UpgradeVersion OnlyDetect="yes" Minimum="$(var.VersionNumber)"
> IncludeMinimum="no" Property="NEWER_VERSION_FOUND" />
>       <UpgradeVersion Minimum="0.0.0.0" IncludeMinimum="yes"
> Maximum="$(var.VersionNumber)" IncludeMaximum="no"
> Property="OLDER_VERSION_FOUND" />
>     </Upgrade>
>
> Is that enough and should that be modified?
>
>
>
> --
> View this message in context: 
> http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/Uninstall-previous-version-tp7596982p7596985.html
> Sent from the wix-users mailing list archive at Nabble.com.
>
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