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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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- Update Win 11 to 24H2 failed

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12-17-2025 03:18 AM
Hello,
when I try to update Win 11 from 23H2 to 24H2 (or 25H2) I always get Error 0xC1900101 - 0x40017, installation failed in the SECOND_BOOT phase. 23H2 is uptodate and also the drivers are uptodate. Any solution ?
Many thanks
12-17-2025 03:31 AM
This error is commonly linked to a driver issue. Try unplugging all external devices and temporarily disabling any third-party antivirus. Make sure your BIOS and chipset drivers are updated from the manufacturer’s website. You can also try upgrading using the Media Creation Tool or an ISO instead of Windows Update. If it still fails, checking the setup logs can help identify the problematic driver.