I followed your instructions. Windows update is running without any processor drain. Turns out I had fast boot disabled all along. Again, thanks.

Windows update got stuck in "stopping," so I disabled its startup and restarted the computer. CPU usage has returned to 1%. I will monitor it for a while, but it looks like that was it. Thank you.

I deleted the files and let ADW restart my computer. The processor drain is still present and the services are still not accepting control messages. Any ideas for the next step?

ADW found some threats in the registry. This is the log file.
# Updated on 24/04/2017 by Malwarebytes# Database : 2017-04-24.1 [Local]# Operating System : Windows 10 Pro (X64)# Username : Daniel -...

I downloaded adw and rkill, but both displayed "This service cannot accept control messages at this time" when I tried to run them.

Recently, one of my service host processes in the task manager showed about 13% CPU usage on my i7. I manually restarted each service in its list and found my problems: Application Information...