[wix-users] Issues when Major Upgrade an InstallShield package

[Michael Urman]

Magnus,

Your InstallScript MSI package is not purely from the world of MSI, so you
shouldn't expect it to be removed solely with MSI's approaches.

The action property of an Upgrade table entry is filled with the product
code of any matching installer. For ease in detecting this scenario I would
suggest altering your upgrade code in order to differentiate your pre- and
post- InstallScript MSI packages from each other, and correspondingly
adding a new entry to the Upgrade table. But even if you don't do that, you
can look for and, if found, execute "C:\Program Files\InstallShield
Installation Information\{ProductCode}\setup.exe /uninst". Note that as
this will invoke Windows Installer, it cannot be called from the execute
sequence of another MSI.

Michael

On Tue, Jan 31, 2017 at 4:22 AM, Persson, Magnus (SE-TLX) <
magnus.persson at assaabloy.com> wrote:

> We've been using InstallShield for 20 years and are frankly fed up with
> all bugs and workarounds required to us it.
> WiX is the perfect replacement but until the first upgrade (i.e. from
> InstallShield to WiX) there are a couple of things I need help with.
>
> When I launch the new WiX package that will Major Upgrade the existing
> InstallShield package, a dialog will popup during 'Validating install'.
> This dialog will have a textbox with the text "Windows(r) installer
> (Process Id: 4808)" and I can select 'Exit', 'Ignore' or 'Retry'.
>
> The only way forward will be to click on 'Ignore' which will cause the
> upgrade to require a restart at the end (which is fine).
> I assume this additional MSI process is some hack within InstallShield
> but is there a way to prevent this scenario?
>
> After the WiX installer has finished there is still a leftover in the
> ARP control panel applet and the reason for this is again an
> InstallShield hack
> (HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\InstallShield_{
> Product
> Id}".
>
> Is there a good way to detect the product id of the InstallShield
> package beeing major upgraded so the registry key can be removed by the
> WiX package?
>
> Thanks,
> Magnus
>
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