Ways To Fix Modern Setup Host High CPU Usage in Windows

Ways To Fix Modern Setup Host High CPU Usage in Windows

Modern Setup Host, a vital component in Windows, occasionally causes high CPU usage, impacting your computer’s performance. If you’re dealing with this issue, don’t worry – we’ve got you covered. In this article, we’ll guide you through troubleshooting and resolving the “Modern Setup Host High CPU Usage” problem, ensuring your Windows system runs smoothly.

Understanding Modern Setup Host

Before delving into the fixes, it’s crucial to understand what Modern Setup Host is. Modern Setup Host is a legitimate Windows process responsible for updating your operating system. However, sometimes, it can go haywire, leading to excessive CPU usage. Let’s explore solutions to tackle this problem.

Ways to Fix Modern Setup Host High CPU Usage in Windows?

Modern Setup Host high CPU usage can be a frustrating problem, but you can resolve it by following these effective solutions:

1. Check for Windows Updates

Ensure that your system is up-to-date by checking for Windows updates. Outdated software can cause compatibility issues and result in high CPU usage. To do this:

  • Press Windows + I to open Settings.
  • Navigate to “Update & Security” and select “Windows Update.”
  • Click on “Check for updates” and follow the on-screen instructions.

2. Run Windows Update Troubleshooter

Windows provides a built-in troubleshooter that can automatically detect and fix update-related problems. Here’s how to use it:

  • Press Windows + I to open Settings.
  • Go to “Update & Security” and choose “Troubleshoot.”
  • Select “Windows Update” and run the troubleshooter.

3. Disable Windows Update Service

Temporarily disabling the Windows Update service can help if the issue persists. Follow these steps:

  • Press Windows + R to open the Run dialog.
  • Type “services.msc” and press Enter.
  • Locate “Windows Update,” right-click it, and select “Properties.”
  • In the “Startup type” dropdown, choose “Disabled,” then click “Apply” and “OK.”

4. Perform a Clean Boot

A clean boot helps identify if third-party software is causing the problem. Follow these steps:

  • Press Windows + R to open the Run dialog.
  • Type “msconfig” and press Enter.
  • In the System Configuration window, navigate to the “Services” tab.
  • Check “Hide all Microsoft services” and then click “Disable all.”
  • Next, go to the “Startup” tab and click “Open Task Manager.”
  • Disable startup items one by one, then restart your PC to identify the culprit.

5. Check for Malware

Malware can disguise itself as legitimate processes, leading to high CPU usage. Run a full system scan with a trusted antivirus program to remove any potential threats.

6. Reset Windows Update Components

Resetting Windows Update components can often resolve issues related to Modern Setup Host. Open Command Prompt as an administrator and enter the following commands one by one:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

Frequently Asked Questions

What causes Modern Setup Host high CPU usage in Windows?

Modern Setup Host’s high CPU usage can be caused by various factors, including outdated Windows updates, third-party software conflicts, malware, or corrupted update components.

Is it safe to disable Modern Setup Host?

Disabling Modern Setup Host is not recommended, as it is essential for updating your Windows operating system. Instead, try the troubleshooting steps mentioned in this article to resolve the high CPU usage issue.

How often should I check for Windows updates?

Regularly checking for Windows updates is advisable. Microsoft releases updates periodically to enhance security, fix bugs, and improve system performance. You can set your system to check for updates automatically.

Can malware cause Modern Setup Host issues?

Yes, malware can disguise itself as system processes, including Modern Setup Host, leading to high CPU usage. It’s crucial to run regular antivirus scans to protect your system.

What should I do if the problem persists after trying these solutions?

If you’ve tried all the solutions mentioned in this article and the issue persists, consider seeking help from a professional or contacting Microsoft support for further assistance.

Should I update Windows manually or automatically?

Updating Windows automatically is recommended for most users, as it ensures that your system is protected with the latest security patches and improvements.


Experiencing Modern Setup Host high CPU usage in Windows can be frustrating, but it’s a common issue with straightforward solutions. By following the steps outlined in this article, you can resolve the problem and enjoy improved system performance. Keeping your Windows OS up-to-date and performing regular maintenance will help prevent such issues in the future.

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