How to fix Modern Setup Host high CPU usage?

Question

Issue: How to fix Modern Setup Host high CPU usage?

Hello, I need help with Modern Setup Host CPU usage. Windows silently decided to keep me from working with the device normally. When Modern Setup Host launches, I cannot work on my PC. Can I kill the process that uses 100% CPU? I rebooted the machine, and after 10 minutes of normal work, PC started to choke again. Can I do something?

Solved Answer

Modern Setup Host high CPU usage is caused by the process of installing a Windows feature update. When the system gets one of the major updates once or twice a year, this process appears on the machine. Often it causes issues and the particularly high usage of computer resources like CPU or disk.^[1] Unfortunately, this is a common issue for Windows 10, 8, and 7 users.

Modern Setup Host high CPU usage affects the speed of your device and makes it running significantly slower than usual. It happens due to the process that runs in the background and causes high usage of CPU or Disk. SetupHost.exe can be found in Task Manager and even ended.

However, ending the process alone cannot work every time. Although this is a common issue that appears on the Windows 10 device, there is no reason to worry about the Modern Setup Host high CPU or disk usage because this is a fixable problem. 

 

Modern Setup Host is a Microsoft Windows process responsible for installing Windows updates, in particular, major OS updates that came out every few methods.^[2] The executable runs the process on your machine when the update is ready to get installed. The process should take 15 to 30 minutes, depending on the performance of the computer, so it runs for a long time on the PC that is already pretty slow and causes even more frustration for the user. 

How to fix Modern Setup Host high CPU usage

Although Modern Setup Host is not a virus, the issue with high CPU usage can be caused by malicious activity.^[3] Such Windows processes and other commonly found files get misused by malicious actors and disguise malware. For that, you need to scan the machine using the anti-malware tool like Reimage that can indicate malicious applications or different issues with the Windows system in general. Additional help should be the manual steps and methods that can be used to fix this issue listed below.

Perform a clean boot

• Press Win+R to bring up a Run box.
• Type msconfig and press Enter.
• Under the General tab in System Configuration preferences, uncheck Load startup items.
  
• Go to Services tab and there tick Hide all Microsoft services and click Disable all.
• Locate to Startup tab and click Open Task Manager.
• Disable every item.
• Restart the computer.

Troubleshoot Windows Update to fix Modern Setup Host high CPU usage 

• Go to the Start menu and find Troubleshoot.
• Click Windows Update and Run the troubleshooter.
• Fix detected problems

Kill the Modern Setup Host or SetupHost.exe process

• Open the Task Manager and find setuphost.exe or Modern Setup.
• Click End Task and terminate the process.
  

Run a Disk manager scan to fix Modern Setup Host high CPU usage

• Run the Command prompt as an Administrator.
• Enter the commands:
  Dism /Online /Cleanup-Image /RestoreHealth

  DISM.exe /Online /Cleanup-image /Scanhealth

  DISM.exe /Online /Cleanup-image /Checkhealth

• Press Enter.
  

Disable Windows Update

• Press Win+R and open the Run window.
• Type services.msc and click OK.
• Look for service called Windows Update.
• Double-click on that service.
• Choose Disabled under the Startup type.
• Restart the PC.

Repair your Errors automatically

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow: