'The upgrade cannot be installed by the Windows Installer service because the program to be upgraded may be missing, or the upgrade may update a different version of the program. When you have specified which repositories you want to scan, you can run the following command to do a full discovery:
This means that in the days of GDPR focus the AIP Scanner can be an excellent tool to look through all your file shares/file servers to find out what you have and if there is anything that should not be there/should be protected.