SubInACL is famously used to fix Windows Update errors by resetting registry permissions to their default state. A common script used by technicians involves:
: Historically, the official SubInACL download was hosted on the Microsoft Download Center. Since it is a legacy tool, ensure you are sourcing the .msi file from a reputable repository or archive. subinacl download
: Editing permissions for entire registry hives. SubInACL is famously used to fix Windows Update