Following step one in this article seemed to fix the issue for me.
High CPU usage in state repository service after clean install of Fall Creators Update while online via ethernet
Why do apps including Microsoft Edge and Settings freeze when clicking on hyperlinks and make CPU usage reach 100% on state repository service after a totally clean install including deleting all partitions of the Fall Creators Update while online via Ethernet. The only fix is to reinstall the ISO media with the Ethernet cable unplugged and wait until the OOBE setup asks for the region before reconnecting the Ethernet cable. I have to physically unplug the Ethernet cable from the router to prevent it from accessing the internet during the first just a moment phase of the OOBE setup before the region setup.
Moved from: (Windows / Windows 10 / Install, upgrade, & activate)
Windows for home | Windows 10 | Performance and system failures
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Anonymous
2017-10-21T16:00:17+00:00 Hi,
Based on the information that you've provided, it seems that your PC has tasks to complete that's why your CPU usage is high. Once they are done, the CPU usage drops back down to normal.
Let us know if you need additional help.