Sxsi X64 Windows 8 Guide

The SFC scan is a built-in Windows utility that scans for and restores corrupted system files.

versions from "Programs and Features" and download the latest versions from the Official Microsoft Support Page Driver Signatures sxsi x64 windows 8

The SxSI framework operates within the storage driver stack of the Windows NT kernel. In a 64-bit (x64) architecture, Windows 8 handles storage requests through a strictly layered driver model managed by the I/O Manager. The SFC scan is a built-in Windows utility