At the Windows 7 and 8 updating to Windows 10, almost at the very beginning of installation, after the first reboot process is interrupted by c1900101-20017 error:

The most frequent reason of this error – the incorrect BIOS settings.

Ways of correction of a error c1900101-20017:

1. Come into BIOS and there enable UEFI and it is in addition possible to enable virtualization if it is switched off.
2. If inclusion of UEFI hasn’t helped, remove files from the C:WindowsSoftwareDistributionDownload folder and the Folder of $ Windows. ~ BT on a disk C and repeat updating installation.
3. If nothing helps, use Media Creation tool from Microsoft for creation of an image of Windows 10 and make pure installation.
4. In rare instances perhaps it is worth updating BIOS

Usually – 1-2 points work and the error of c1900101-20017 doesn’t appear any more.