[wix-users] Disallowing installation of component - Message

[Phil Wilson]

Yes, it sticks to the machine and it's no good turning it off in a setup
that's been installed before - it's a system state, not a project state. 

When it says "the registry keypath exists" it doesn't matter if the item is
there in the registry or not. It's the component state, not the presence or
absence of the resource that matters. Components with keypaths are allowed
to be missing - if the appropriate owner was the subject of a repair it
would be installed. 

Phil W  

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
David Watson
Sent: Monday, August 08, 2016 2:10 AM
To: WiX Toolset Users Mailing List
Subject: Re: [wix-users] Disallowing installation of component - Message

Have you ever tested this MSI (or a previous version of it) on the same
machine?

Components marked as permanent persist forever and will not be uninstalled,
it's probably an artefact of a previous installation.

Remove that attribute, format the test machine and try again.

Dave


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-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Scott Ferguson
Sent: 07 August 2016 13:51
To: wix-users at lists.wixtoolset.org
Subject: [wix-users] Disallowing installation of component - Message

Hi,

In the MSI log file for my installation I get a message that says
installation of certain files were disallowed because the registry keypath
exists:

EX:" MSI (c) (74:54) [00:11:16:095]: Disallowing installation of component:
<comp name> since the registry keypath exists and the component is marked to
never overwrite existing installations"

The component is marked to never overwrite however as far as I know the
registry keypath has never existed. I.e. the value in the Key attribute of
the RegistryValue node does not exists.

Here is the entire component:



       <Component Id="cmp4AA601431E38E64CD86C89C22632AEAE"
NeverOverwrite="yes" Permanent="yes"
Guid="D08CE615-D645-4C15-AF73-FBE77C6FC651">

         <RemoveFolder
Id="RemoveThisFoldercmp4AA601431E38E64CD86C89C22632AEAE" On="uninstall" />

         <RegistryValue Root="HKCU"
Key="Software\[MANUFACTURER]\[PRODUCTNAME]" Name="InstallFolder"
Value="[INSTALLFOLDER]" Type="string" KeyPath="yes" />

         <File Id="filDE99D3F84687444B39C217ECF872FE34" Source="<file path>"
/>

       </Component>


I note that in the "RegistryValue" element the key is set to this:
Key="Software\[MANUFACTURER]\[PRODUCTNAME]". I have searched the MSI log for
the actual value for [MANUFACTURER] which I was able to find. However, this
value has never been written to the registry by my application under the
HKCU\Software key or anywhere else.

I am confused as to the registry key the installer is checking for to
determine the keypath. I even made sure the directory for "[INSTALLFOLDER]"
in the value attribute was not present before installation.

Can someone help me understand the reason for the "Disallowing installation
of component" message and how to correct for it?

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