Windows 10 Recovery Notes

• Boot Windows 10 ISO or Media Recovery USB or DVD
• Click ‘Next’ on main screen after selecting appropriate language options
• Select ‘Repair Computer’ – bottom left-hand corner
• Select ‘Troubleshoot’ > ‘Advance Options’
• Select Command window and run following commands – note these processes can take some time
  • mkdir D:\Scratch
  • DISM /Image:D:\ /Cleanup-Image /RestoreHealth /ScratchDir:D:\Scratch
    
  • SFC /Scannow /OffBootDir=D:\ /OffWinDir=D:\Windows
• Exit Command window back to Menu
• Select ‘Troubleshoot’ then ‘Advance Options’
• Click ‘Startup Repair’ to fix boot errors, etc…
• Log back into your Windows system (hopefully) and run the following from an Admin Command window to make sure no more errors remain:
  • SFC /scannow
  • DISM /online /cleanup-image /checkhealth
  • DISM /online /cleanup-image /restorehealth

• Substitute drive D: above for your Windows drive
• ScratchDir option used to create extra temporary storage to avoid  “DISM error: The scratch directory size might be insufficient to perform this operation”