Despite its utility, is not a Microsoft-signed tool . This means:
A report is typically generated after following these steps: W Server 2019 core sfc/SFCFix problem - Sysnative Forums Sfcfix.zip
against the one posted by the original author. A legitimate Sfcfix.zip file from 2022–2025 should have a community-verified hash available on Sysnative. Despite its utility, is not a Microsoft-signed tool