An incomplete rollback to the old version then prevents the computer from restarting. The failure of a feature update often leads to another problem that stands in the way of troubleshooting. After the successful installation of the new Windows version, you can attach them again, and you can also reactivate the two optional features mentioned above. In this case, you should also remove all USB drives for safety's sake, as they have repeatedly led to upgrade cancellation in the past. Therefore, you should abort and restart it right away. If so, it is probably too late to remove the update blockers, and the upgrade will fail again. However, it may be that Windows Update has already started the next attempt in the background while you were searching for the error. Further steps for the next update attempt ^ Disabling Microsoft XPS Document Writer and Microsoft Print To PDF in the Control PanelĪs an additional measure, you should delete the file 'compatscancache.dat.' Now you can start the upgrade to the next version of Windows 10 again, either via the Settings app or the.