Fix Broken Windows Files - System file checker

sfc /scannow

Quick health check

dism /online /cleanup-image /checkhealth 

Longer Scan

dism /online /cleanup-image /scanhealth

Scan and fix problems

dism /online /cleanup-image /restorehealth

If dism can't fix system files Open browser, search for "media creation tool" Download "create windows 10 installation media"

• install program
• create installation media
• iso file
• double click on iso file to mount it
• esd-ico > sources install.esd

dism /online /cleanup-image /restorehealth /source:{path to esd or wim file}
dism /online /cleanup-image /restorehealth /source:d:\sources\install.esd