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Windows setup SAFE_OS error

Home » Windows setup SAFE_OS error

Fix: Installation Failed in the SAFE_OS Phase with an Error During BOOT Operation (0xC1900101-0x20017)

If you’re trying to reinstall or upgrade Windows 10 and see the message “We couldn’t install Windows 10 – The installation failed in the SAFE_OS phase with an error during…

Posted by WinFix November 2, 2025

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