Fix WaasMedic.exe High CPU or Disk Usage on Windows 11/10

The Windows Update Medic Service (WaasMedic.exe) is a Windows Service that was introduced in Windows 10. This Service has been introduced to repair Windows Update components from damage so that the computer can continue to receive updates. Now if WaasMedic.exe is frequently consuming High CPU or Disk Usage on your Windows 11/10 PC, this guide will help you fix it.

WaasMedic.exe CPU or Disk Usage

What is WaasMedic.exe or Windows Update Medic Service?

WaasMedic.exe stands for Windows Update Medic Service. This is an important component of Windows 10 and aids in smoother updates of the OS without disturbing the user. WaasMedic.exe also remediates the processes related to Windows and its component updates. If you turn off the updates of any components of Windows or they are turned off by any other program, WaasMedic.exe interferes and enables them for updates. If you are experiencing high CPU or Disk usage by WaasMedic.exe, we have fixes for you. Let’s see what they are and how we can fix the issue.

WaasMedic.exe CPU or Disk Usage on Windows 11/10

The fixes we can employ to resolve WaasMedic.exe high CPU usage issues are:

  1. Run System File Checker
  2. Run DISM to repair Windows Update components
  3. Pause Windows Updates for a few days
  4. Disable WaasMedic.exe temporarily
  5. Reset Windows PC.

Let’s see the fixes in detail and use them.

1] Run System File Checker

Running system file checker checks for any corrupted or missing files on your system. If any such case has happened and it resulted in WaasMedic.exe High CPU or Disk Usage, it will help fix it. Try running SFC and see if it helps.

2] Run DISM to repair Windows Update components

Along with SFC, DISM is another important feature that is available on Windows that helps you fix the issues. Whatever the issues your system has with its original files, running DISM to fix corrupted Windows Update system files will help. Since WaasMedic.exe works for Windows Updates, DISM has many chances of fixing it.

3] Pause Windows Updates for a few days

WaasMedic.exe is responsible for smooth and uninterrupted updates of Windows and its components. As you are experiencing high CPU usage of WaasMedic.exe, it is better to pause the updates for Windows for a few days. This way you can fix the WaasMedic.exe issue.

4] Disable WaasMedic.exe temporarily

Before doing this, do backup your registry settings. While we do not recommend this useful system Service, if none of the above fixes worked for you, then you should disable WaasMedic.exe temporarily. It will stop the processes related to WaasMedic.exe and make your PC better.

You can disable Windows Update Medic Service, but if you try to do so via Windows Services Manager, you will get an Access is Denied message.

To disable it, you will have to use the Registry Editor.


Go to the above path address in the registry editor and change the value of the Start DWORD file to 4 and then set the permission of the ket to SYSTEM Deny.

This we do not recommend doing manually, as it also compromises your system. The easier way would be to take the help of a freeware called Windows Update Blocker.

5] Reset Windows PC

The problem of WaasMedic.exe’s high CPU usage would have been fixed by now using the above methods. If not, you would have to reset your PC to get back to the original form. None of the data you save on your PC will be lost.

Is WaasMedic.exe a Virus?

No, it is not. WaasMedic.exe is a program that comes within Windows that works with updating your Windows to the latest version. It is a safe program.

Can I kill WaasMedic agent exe?

WaasMedic is an agent for Windows that streamlines the updates process and makes your PC up to date with the OS. It is not possible to kill or uninstall it as it is a Windows component. You can disable it through the registry or using a third-party program. It is not recommended to kill or disable WaasMedic.exe unless you are facing any trouble with it.

Read: What happens if you turn off the computer during Windows Update?

WaasMedic high CPU usage

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MORRIS is an impassioned technology writer. He always inspires technologists with his innovative thinking and practical approach. A go-to personality for every Technical problem, no doubt, the chief problem-solver!

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