[WiX-users] Novice Question: How do I make my product overwrite a previous version?

[Deobrat Singh]

Hi,
I have a web project for which I created a MSI package.
I ran the MSI with product version 1.1.0.0.
When I try to run the package with a new minor version (1.3.0.0), the installer 
fails. The log says

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.
{10FA29A8-45F6-49EE-87BB-3095DEAA5A56}
MSI (c) (E8:44) [13:56:07:859]: Product: Microsoft Response Management Website 
-- Configuration failed.

MSI (c) (E8:44) [13:56:07:868]: Windows Installer reconfigured the product. 
Product Name: Microsoft Response Management Website. Product Version: 1.3.0.0. 
Product Language: 1033. Manufacturer: Microsoft. Reconfiguration success or 
error status: 1638.


I am copying the initial (perhaps relevant) lines from the new wxs file here

<Product Id="10fa29a8-45f6-49ee-87bb-3095deaa5a56" Name="Microsoft Response 
Management Website" Language="1033" Version="1.3.0.0" Manufacturer="Microsoft" 
UpgradeCode="a1bea74f-58ee-4bc6-a19e-9b807ebdcd9c">
    <Package Id="????????-????-????-????-????????????" InstallerVersion="200" 
Compressed="yes" InstallPrivileges="elevated" InstallScope="perMachine"/>
    <Upgrade Id='a1bea74f-58ee-4bc6-a19e-9b807ebdcd9c'>
      <UpgradeVersion OnlyDetect='no' Property='PATCHFOUND'
        IncludeMinimum='yes' Minimum='1.1.0.0' />
    </Upgrade>

The only changes are in the Version attribute of the Product element and in the 
Minimum attribute of the UpgradeVersion element.


I understand that this may be a very trivial problem and I may just be ignoring 
something. Please pardon me for that and help me understand the missing pieces.


******
Regards,
Deobrat Singh | देवब्रत सिंह

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