If the 3rd party uses a consistent UpgradeCode and you're willing to write
code you could do an MsiEnumRelatedProducts() on the UpgradeCode to see if
any are installed.
Phil Wilson
On Sat, Aug 24, 2013 at 11:50 AM, Nicolás Alvarez <nicolas.alva...@gmail.com
> wrote:
> 2013/8/23 jo...@msli.com <jo...@msli.com>:
> > My bundle needs to perform a conditional install if a 3rd party program
> > if the version installed is none or less than a particular version.
> >
> > The problem is the 3rd party program stores the installed version number
> > in a dynamic guid section of HKLM, so I don't have a deterministic path
> > to the information.
> >
> > Has anyone developed a wild card search method for elusive targets like
> > this?
> >
> > The information on one system is in:
> >
> > HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer
> > \UserData\S-1-5-18\Products\043899F85CE10A14BA724F736669840C
> > \InstallProperties
> > Contains: Key:DisplayVersion Value:1.0.4
> >
> > HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion
> > \Uninstall\{8F998340-1EC5-41A0-AB27-F437669648C0}
> > Contains: Key:DisplayVersion Value:1.0.4
> >
> > What are my options?
>
> That registry key is internally used by Windows Installer, and that
> GUID is a Windows Installer product code. You should use
> <ProductSearch> instead of looking in the registry.
>
> If the third-party program uses major upgrades, ie. changes its
> product code on every version, I don't think you have any alternative
> than to list all the valid productcodes...
>
> --
> Nicolás
>
>
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