Offscrub: __top__

An "offline scrub" is a manual maintenance operation where you:

For most home users, Microsoft now recommends the Support and Recovery Assistant, which provides a user-friendly interface for the OffScrub logic. However, system admins still prefer the raw VBScripts for scripting and automated deployments via SCCM because they don't require a full app installation. The Bottom Line

Do not just double-click the file; it requires command-line arguments to work correctly.