PavelJ said:
"Atom bomb solution" WORKED for me:
- stop and disable "Windows Update" service
- restart computer
- delete folder C:\Windows\SoftwareDistribution
- enable and start "Windows Update" service
- check for updates = DONE :)

If you will have no luck, can try this below, and then repeat step above:
- "Disk Cleanup" on C: (under Administrator rights)
- deleted folder C:\Windows10Upgrade
- 2x runned Windows Update Troubleshooter in Control Panel
The post you replied is two weeks old. OP will have either sorted it or given up I suspect.