Windows 10 Incredible CPU and Memory Usage

[nmsuk]

Well after that lets see whats running at start up in task manager.

 

[kemical]

If I were you I'd remove your third party apps one by one and see if one turns out to be the key.

 

[Matthew Corrigan]

Alright, scan completed. One instance of malware detected.
At the point where I'd be removing my third party programs one by one, I'd probably just wipe the drive because the work involved in that with all I have on here seems to outweigh the benefit of data preservation.

 

[trstick1]

Have you tried Process Explorer? Process Explorer