A new hotfix is now available for those using Systems Center Configuration Manager to deploy security updates to Windows devices. The issue most generally affects Windows 10 1709 but has also been reported to apply to other versions of Windows 10.
Software update installations may stop responding or never return a completion status during task sequence execution or typical software updates management (SUM). This issue typically occurs when many updates are being installed, usually a mix of Office and Windows updates.
Different symptoms may be reported in the log files to indicate that this issue is being experienced.
Example of an error message in the log file:
Update (Site_73523994-7973-422C-A02B-F83A7A327F36/SUM_cca31bf2-b813-48d1-a4cd-ce317d024303) Progress: Status = ciStateDownloading, PercentComplete = 0, Result = 0x0 UpdatesDeploymentAgent
The update is now available in the Updates and Servicing node of the Configuration Manager console.