How to Troubleshoot WUDFHost.Exe High CPU Usage in Windows PC

  • WUDFHost.Exe stands for Windows User-mode Driver Framework Host, a trusted system process of Microsoft Windows.
  • It is necessary for the stable operation of your computer, so it is not recommended to stop it.
  • However, this process can cause certain errors, such as high CPU load, which affects the normal functioning of your PC.
  • If you have a problem, you should follow the below instructions and see if any of them help to fix it.

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Windows Driver Foundation User Mode Driver Framework

In Windows Driver Foundation, developers can develop both kernel-mode and user-mode drivers that simplify the writing of Windows Driver code. 

What Is Windows Driver Foundation

Microsoft developed Windows Driver Foundations (WDF) to make creating Windows drivers easier. Windows Driver Foundations are critical to maintaining system stability since they reduce the complexity of writing Windows drivers.

Wudfhost Exe High Memory

Some Windows users have noticed that WUDFHost.exe takes up a lot of resources, both RAM and CPU, on occasion. As much as 1GB of RAM can be used while as much as 30% of CPU can be used. Windows cannot be rebooted or cleaned.

Have you noticed that your PC has slowed down to a crawl recently? If so, you might want to check the task manager to see if it has something to do with the WUDFHost.exe file. The file has been reported to be hogging the CPU by many users.

A total of 98 gigabytes of physical memory is available, with 2.58 gb available for use. Nearly 64.87% of the physical memory is free. 7.96 gigabytes of page file are available, with 6.36 gigabytes free.

With the help of below-listed troubleshooting guide, you will be able to fix High CPU Usage by Windows Driver Foundation(WDFHost.exe) using Windows Driver Foundation (WDFHost.exe) and User-mode Driver Framework (UMDF).

If Windows Driver Foundation or wudfhost.exe is taking up most CPU time, it could be Windows Driver Foundation.

As WUDFHost.exe is part of the Windows operating system, it is safe to use. However, sometimes malicious processes masquerade as the genuine process, so we must know where it is located to determine if it is safe to use.

It is recommended that you don’t stop Windows User-mode Driver Framework Host.exe because it is an essential component of the Windows operating system.

It’s important to note, however, that WUDFHost.exe may cause specific errors, such as high CPU usage, that can adversely affect your PC. If you find yourself having problems with WUDFHost.exe, follow the instructions below and see if they help.

What causes high CPU usage of WUDFHost.exe?

  • The consumption of high resources can be caused by damaged or corrupted system files.
  • In the development of software, bugs can occur, but their fixes are usually made before the software is released publicly. Drivers, on the other hand, can sometimes be faulty or corrupted by outside factors as well.

How can I fix the high WUDFHost.Exe CPU load?



Updated: March 2024

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Windows Driver Foundation Service Missing

Searching around, it appears that the problem is related to the Windows Driver Foundation service. I have run the commands in this post and they result in the same outcome as the last post, but this service does not exist on my PC. I have performed DISM and SFC checks and they came back without any errors.

The CPU utilization percentage can be found at the top of each CPU column by clicking Ctrl + Shift + Esc, which will open Windows Task Manager.

Launch the System Performance Troubleshooter

  1. Press the Enter key to open the command line and search for “cmd”.
  2. CMD should display the following command after you type it:
    Running msdt.exe with a performance diagnosis ID
  3. The computer should be rebooted after you exit cmd.

Follow the system maintenance troubleshooting procedure

  1. To open the Control Panel, search for it in the Start menu’s search bar.
  2. Click Troubleshooting on the left side of the screen.
  3. In the left pane, click Show All.
  4. The troubleshooter will be launched after you click the button.

Turn off NFC and portable devices

  1. Select Network and Internet from the settings menu by pressing Windows + I.
  2. To turn on Airplane Mode, select it from the menu on the left.
  3. The NFC button can be disabled under Wireless Devices.
  4. You can then type devmgmt.MSC by pressing Windows + R.
  5. Select Disable from the right-click menu of Handheld Devices.
  6. Restart your computer after you have closed Device Manager.

Updating drivers for network adapters

  1. The Device Manager can be opened by pressing Windows + R and typing devmgmt.MSC into the Run box.
  2. Choose Uninstall from the right-click menu when you expand Network Adapters.
  3. Ensure your changes are saved by restarting your computer, then reopen Device Manager.
  4. Choose Check for hardware changes from the right-click menu of the Network Adapter.
  5. The changes you’ve made will be saved when you reboot your computer.



RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

WUDFHost.exe stands for Windows User-mode Driver Framework Host, a trusted system process of Microsoft Windows. Being an important component of your operating system, WUDFHost.exe is necessary for the stable operation of your computer, so it is not recommended to stop it.

Damaged or corrupted system files can cause various problems, including high resource consumption. In addition, many bugs can occur during the software development process, but they are usually fixed before the software is released to the public. Unfortunately, some drivers can also be faulty or corrupted by external factors.

  1. Find the Control Panel in the search bar of the Start menu and click it to open the Control Panel.
  2. Find the Troubleshooting section and click Troubleshooting.
  3. Then click Show All in the left pane.
  4. Click and run the System Maintenance Troubleshooter.
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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.