Windows 10: 100% CPU usage constantly

Yesterday my PC was working fine and had low enough cpu usage but since I've booted it up this morning it has stayed at 100% CPU usage. I've tried following some things online after i noticed wmi (or something like that) using a lot of CPU. This led me to figuring out i had an error with a program i had installed so i uninstalled it but nothing has happened still running at 100% CPU. Even after boot up or on idle it stays at 100%.

Any help would be much appreciated.

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:)

 

CPU Usage Constantly at 100%

So I tried downloading the hotfix here Z97-A/USB 3.1 | Motherboards | Asus but it didn't do any good.

I did selective startup via Diagnostic Startup in System Configuration, and there were no problems in CPU usage when I did that. Resumed to normal startup, same issues.

Startup programs: Just Dropbox, OneDrive, and AutoHotKey.





Typical resource hogs:





Honestly this makes no sense.... appreciate the help thus far, hopefully this info helps.

Edit: whoa, quick update. I used a CPU stress tester almost immediately after I posted this, and after it happened, it seems to have fixed the problem... weird, we'll see how long this lasts....

 

CPU constantly at 100%, but in Process Explorer usage is around 5%

Task Manager shows CPU usage constantly at 100%, but Process Explorer shows CPU usage at about 5%. I've tried the solution presented in CPU Constantly at 100% In Task Manager, But Not in Process Explorer, but it did not work for me. When I reboot the PC into Safe Mode, though, everything is OK.

How can I resolve the discrepancy?

 

cpu usage at 100%

CPU usage at 100% from start up for no apparently good reason. Service Host appears to be the problem but I cant narrow it down more than that at present.

Any suggestions?

I am using Windows 10 full release version 64 bit.