Here are some suggestions to troubleshoot high CPU or memory consumption by Modern Setup Host on Windows 10 computer.

Perform a full system scan with the latestantivirussoftware to confirm virus malware infection not causing the issue.

One Taskmanager, under the process tab, locates SetupHost.exe, Right-select it select stop.

If youre on Windows 7 or 8, Download the troubleshooter fromMicrosoft.

Next double-poke the downloaded file to run it Select Windows Update, then Next.

Clear SoftwareDistribution folder

SoftwareDistribution is the folder where all Windows Update-related files are stored temporarily before installation.

That only fixesWindows 10 High CPU usagebut also optimizes windows system performance as well.