Uploaded August 2025 | Updated September 2026, 2 weeks ago

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How to Fix We Couldn’t Install Windows 11 Error 0x8007042B (SAFE_OS MIGRATE_DATA)

Having trouble upgrading to Windows 11 and seeing the dreaded message:
"We couldn’t install Windows 11 – 0x8007042B - 0x2000D – The installation failed in the SAFE_OS phase during MIGRATE_DATA"?
Don’t worry, in this video, I’ll walk you through exactly how to fix the 0x8007042B error step-by-step, so you can finally complete your Windows 11 upgrade without losing your files.

🟢 You’ll learn:
Why the SAFE_OS MIGRATE_DATA error happens during Windows 11 installation
How to prepare your PC for a smooth upgrade
How to repair corrupted system files with SFC and DISM commands
How to clear the Windows Update cache to prevent installation rollbacks
How to check the Panther logs to find the exact cause of the failure
Bonus tips to ensure your PC meets all Windows 11 requirements

🟢This method works for:
Windows 11 installation failures in the SAFE_OS phase
Error 0x8007042B - 0x2000D on both Windows 10 and Windows 11 upgrades
MIGRATE_DATA errors that cause “Undoing changes made to your computer” rollbacks

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#Windows11 #Windows11Error #Windows11Upgrade #WindowsErrorFix #TechTutorial