/scannow verifies all system files match the hashes of their originals within the WinSxS folder if corruption is found, SFC replaces the corrupted file with the original contained within the applicable WinSxS cab file.

sfc /scannow must be run after running /restorehealth

WinSxS contains a copy of every Windows system file, allowing the system to fix itselfĢ. /restorehealth verifies cab files within the WinSxS folder have not become corrupted by matching hashes from Windows Update servers if corruption is found, it replaces the applicable cab files with originals downloaded from Windows Update [or a mounted.

dism /online /cleanup-image /restorehealth must be run prior to running /scannow restorehealth and /scannow are two sides of the same coin and must be run in the proper orderġ. /Source would be the mounted install.esd from a v1607 Windows install ISO (ensure correct index for your version of windows is mounted from install.esd, as each contains 4 images)ĭism /Online /Add-Capability /CapabilityName:~~~~0.0.1.0 /Source:Z:/Mount./CapabilityName would be the full version name of Quick Assist.Quick Assist should be able to be reinstalled via: dism /Online /Add-Capability /CapabilityName: /Source:

Quick assist for windows 7