Microsoft is investigating reports that some users are trying and failing to update their PCs and tablets to Windows 8.1, apparently due to outdated and incompatible drivers.



From Computerworld:

Microsoft is investigating reports that some users are trying and failing to update their PCs and tablets to Windows 8.1, apparently due to outdated and incompatible drivers.

In messages posted to Microsoft's technical support website, users have been complaining that they're unable to complete the Windows 8.1 installation due to an error that the OS identifies as 0x40017.

  Some Windows 8.1 updates tripping over driver problems