Scott,
Is your product using conditional Features? One way that components can get
"orphaned" is if they belong to a Feature whose Level is 0 at time of
uninstall. Usually this happens when the intent is to install the feature
only if a certain prerequisite software is present, and if the prerequisite
is uninstalled before the product. I've found it's best to follow this
pattern:
<Feature ... Level="0">
<Condition Level="1"><![CDATA[REMOVE OR (...My
Condition...)]]></Condition>
...
</Feature>
The "orphaning" happens if you forget to include the "REMOVE OR " part.
(There are other alternatives that involve checking whether the feature is
currently installed, but this is the simplest way.)
Otherwise, it's possible that the Component GUID-based reference counts are
out of whack, which could happen from "orphaning" in the past. It looks
like this tracking might be stored in the following registry path, but I
definitely would not advise editing or deleting anything unless you really
know what you are doing and have made a full system backup first:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\{YourSID}\Components\
And I think the keys under this are encoded in a way that is not as simple
as just removing the braces and dashes from the GUID, so I would suggest
searching for the target path instead. Then you'll at least know whether
leftover reference counts are the problem. Just make sure that they don't
legitimately belong to another product that is installed. =)
Regards,
Mike
Scott Moyer wrote
> I do not see anything suspect in the install log.
>
> Components that get removed say 'Action: Absent' in the uninstall log.
>
> Components not getting removed have 'Action: Null' in the uninstall log.
>
>
> Also Registry entries are not being removed ('Action: Null'), even when
> using
> <RegistryKey ... ForceDeleteOnUninstall="yes">
>
> SharedDllRefCounts are all 0.
>
> I am using Guid="*" for all components.
>
> I am using the same model/code for all files so why some files getting
> removed and some not? The files not getting removed are exes and dlls.
>
>
> I am running as Administrator.
>
> What could be making it so some files and all registry entries do not get
> removed on uninstall?
>
>
> Could there be some sort of registration stuck from a prior install? If so
> how do I remove that?
>
> Thanks.
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