- 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 can take a while to run:
- DISM /Image:D:\ /Cleanup-Image /ScanHealth /ScratchDir:D
- DISM /Image:D:\ /Cleanup-Image /CheckHealth /ScratchDir:D
- DISM /Image:D:\ /Cleanup-Image /RestoreHealth /ScratchDir:D
- 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 insufficient storage warning
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