Install a component again during repair by WIX installer -


i want write on registry when install product. could've done inside component. 

<component win64='$(var.win64)' id='registrysetup' guid='840d9dc3-3f98-4597-a089-d649ec3e7feb' directory='targetdir'>        <registrykey root="hklm" key='[utillregkey]' forcecreateoninstall='yes' forcedeleteonuninstall='yes' >         <permission user="everyone" genericall="yes" />       </registrykey> </component>

[utillregkey] generated custom action, value differ each time runs.

now need run installer change mode, , works. when run on change mode need run above compnent again make registry key.

is there way that?

edit:

what meant "run on change mode" is, if installer runs second time "maintenancetypedlg" opened. , has 3 buttons "change", "repair" & "remove". (i customizing wixui_mondo )

i changed dialog use change button intended do. (instead of add/remove features want write on registry once more)

if "change" button clicked wixui_installmode property set "change"

 <publish property="wixui_installmode" value="change">1</publish>

i tried use custom action since user doesn't have write permission registry key, not either.


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