Shutting down a Windows Installer-based installation can cause subsequent installations to fail. Use this tip to get them started again.
When Windows Installer is invoked to process a Installer database file (.MSI), information is input into the following registry key:
This tells the Windows Installer service that an installation is processing so it can back out from a failed installation. Also, in the environment-defined TEMP directory, temporary files will exist from the installation.
When you attempt to shutdown a Windows Installer installation by means other than the method provided through the Cancel button, the entries in the registry and the files in the TEMP directory can remain. By shutting down by non-normal means, this...