Some confusion here - the original post referred to the failure of a
custom action because the Dll was missing, but is this now the custom
action you don't need, according to your earlier post?  If the Dll is
called InstallUtilLib.dll than that's the Visual Studio Dll.

I was pointing out that managed code custom actions in VS 2010 are
shimmed with a VS C++ Dll, but it's not clear if you were previously
using WiX or VS setup projects to build your MSI files, because
otherwise the references to VS 2010 and 2012 aren't really relevant.

So you've got an error during an upgrade (which includes an uninstall
of the older product) and you have a custom action that can't find a
Dll. If you could clarify the details it might help.
---------------
Phil Wilson


On Tue, Apr 15, 2014 at 1:01 PM, Michael Turner <mcturner...@gmail.com> wrote:
> Chris,
>
> Is your new version a "Major Upgrade"
> (http://msdn.microsoft.com/en-US/library/aa369786.aspx), as opposed to a
> "Small Update" or "Minor Upgrade"
> (http://msdn.microsoft.com/en-us/library/aa370579.aspx)?  Also, if it is a
> Major Upgrade, then when is your RemoveExistingProducts action scheduled?
> (http://msdn.microsoft.com/en-us/library/aa371197.aspx;
> http://wixtoolset.org/documentation/manual/v3/xsd/wix/majorupgrade.html)
>
> Could you also please provide XML snippets of the custom action in the
> source code for the *previous* version of the installer?  What I'm looking
> for is both the CustomAction element that describes what the custom action
> does, as well as all *Sequence/Custom and/or UI/Publish element(s) that
> schedule the action and specify the conditions under which it should run.
>
> Regards,
> Mike
>
>
> Arthur, Christopher wrote
>> Thx for the answer. The uninstallation of the previous Version is working
>> fine. The error is ocuring only during Upgrade within the wix installer.
>>
>> The strange thing the CustomAction.dll is searched within the default
>> targetdir of the wix installer and Not within the targetdir of the already
>> installed Application.
>
>
>
>
>
> --
> View this message in context: 
> http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/Strange-Beahaviour-while-installing-previous-Version-tp7594117p7594142.html
> Sent from the wix-users mailing list archive at Nabble.com.
>
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