Hi R. I'm Greg, an installation specialist and 9 year Windows MVP, here to help you.
See fixes for high disk usage caused by this Windows Update here:
https://www.askvg.com/what-are-sedsvc-exe-sedla...
https://allthings.how/fix-sedlauncher-exe-disk-...
If the above doesn't help after several restarts, since we know the update responsible you can find it at Settings>Update & Security>Windows Update under Installed Updates, then uninstall from the link there, and hide with the Hide Updates tool downloaded from here: http://download.microsoft.com/download/f/2/2/f2...
You can also use System Restore to get before the problem began, then check for Updates with the Hide Update tool and hide them: http://home.bt.com/tech-gadgets/computing/how-t...
I hope this helps. Feel free to ask back any questions and let us know how it goes. I will keep working with you until it's resolved.
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