The installation failed in the first_boot phase

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While a royal pain when you see 0xC1900101, it isn’t a showstopper as it is usually a configuration issue that causes it.

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That it could not overcome and we have to abort it.

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It means that the Windows 10 installer has an error. Sometimes the second error code is different and sometimes it is BOOT and also not SYSPREP. The installation failed in the FIRST_BOOT phase with an error during SYSPREP operation’. We’ve set your PC back to the way it was right before you started installing Windows 10. The typical syntax of the error is something like ‘We couldn’t install Windows 10. As a quick reminder, 0xC1900101 errors are specific for driver issues. That they couldn’t complete the upgrade process due to a series of 0xc1900101 errors. While many users who tried to upgrade to Windows 10 reported. Some of the drivers with the newest Windows 10 version, and more. If users haven’t installed the latest driver’s updates on their computers. These errors are triggered by various driver-related factors. Chances are you are either upgrading to Windows 10 from a previous edition or performing a version update. If you’re seeing 0xc1900101 installation errors.