Registry Key Operations Tab

In this dialog you can specify a registry key to be removed on install. Also, you can enable its content to be persistent during an upgrade.

Registry Key Removal Dialog


Keys for removal will be marked visually with Key Removal icon.

ImportantBy default Windows Installer will remove only the resources that were installed by the MSI package. This removal operation is intended to be used for external resources created by custom behaviour.


The component whose install will trigger the key removal operation.

Remove On

The time when the removal will be executed. There are three available moments:

  • component install
  • component uninstall
  • both


Specify a removal condition.

You can specify registry values to be removed upon install from the Registry Value Removal Dialog.

TipThe removal operation is extremely useful when the installed resources are modified post install and would not be removed otherwise.


Save and restore original registry key content.


Condition when the key content is preserved.

NoteTo find out how to use this option in an upgrade scenario, you can follow the Prevent Repair or Uninstall article.

Search key

Select the search type for the registry key:

  • Search key in the x86 portion of the registry
  • Search key in the x64 portion of the registry
  • Search key based on the package type