Hello.... I tried installing this update... no luck. I had the same problem with the patch this update replaced last week.
Tried Windows Update Troubleshooter... it found nothing,
Cleared Update Catch
Shut of Norton Security and Firewall
Tried Restarting... several times... still get...
2019-09 Cumulative Update for Windows 10 Version 1903 for x64-based Systems (KB4524147) - Error 0x800f0988
Any advice would be appreciated. Thanks.