Due a 'publishing problem' some users experienced problems after installing recent updates. This has now been rectified with details below:
"Microsoft is aware of a publishing issue with the October 10th, 2017 monthly security updates for Windows 10 version1703 (KB4041676) and version 1607...
boot issues
build 1703
consumer
devices
download
issues
kb4041676
kb4041691
microsoft
october
patch
publishing
sccm
security
support
update for business
updates
windows 10
windows server
wsus